Kerala SSLC Physics Answer Key 2024 with Question Paper

As per the time table, The Kerala Board of Public Examinations (KBPE) has successfully conducted the SSLC Physics Paper. The Total mark of the Kerala SSLC Physics Paper 2024 is 50 Marks and lasts from 1.5 hours. After taking the exam students are looking for the SSLC Physics Question Paper 2024 with Answers. Candidates are recommended to bookmark this page to get the Kerala SSLC Physics Answer Key 2024 with a detailed explanation.

SSLC Physics Question Paper 2024

The SSLC Physics Question Paper 2024 would follow the syllabus and model paper set by the board. The Kerala Class 10 Physics Syllabus 2024 covers topics such as the effects of electric current, power transmission and distribution, electromagnetic induction, wave motion, heat, electronics and modern technology, colors of light, and energy management. It is recommended that students solve previous year’s question papers as well as sample papers to better understand the question paper format, the types of questions asked in each subject, the marking structure, and so on.

SSLC Physics Answer Key 2024: Overview

The Total mark of the Kerala Class 10 Physics Paper is 40 marks. The Paper consists of 20 questions which are divided into Five Sections and candidates have 1.5 hours to complete. Let’s take a look at the sslc physics answer key 2024 in the table below.

Kerala SSLC Physics Answer Key 2024

The Kerala SSLC Physics paper 2024 was held on March 15, 2024. After finishing the exam, students frequently look for the Kerala SSLC Physics Answer Key 2024 to double-check their answers and compute their grades. As the exam is concluded, our professional faculty provided you with an error-free and accurate Kerala SSLC Physics paper 2024 with Solutions on this website.  Kerala SSLC physics questions and answers are shared below.

Here we have provided the Kerala SSLC Physics Answer key 2024 of Section A. Candidates should Carefully match their response with the correct answers

Question Number	Correct Answers
1,	Solar energy/wind energy/geothermal energy
2	Myopia
3	Nuclear fission
4	f = 1/P = 1/2 = 0.5 m Or f = 50 cm
5	V = W/Q = 12/3 = 4 V
6.a	a. Fleming’s left Hand Rule
6.b	.i.reverse the direction of the current. ii. Reverse the direction of the magnetic field.
7.a	Right-hand thumb rule: If you imagine holding a current-carrying conductor in your right hand with your thumb pointing towards the direction of current, then the direction in which your fingers curl, gives the direction of magnetic field.
7.b	i. increase current ii. Increase the number of turns.
8. a.	Sound Energy – The diaphragm vibrates – The coil vibrates in the magnetic field – Electric signal
8.b.	Electromagnetic induction
9.
10.a.	tungsten.
10. b.	i. High resistivity ii. Ability to emit white light on heating iii. High melting point.
11. a	a. 6
11.b
12.a	No. The magnetic field is developed around both solenoids. But in the first circuit, the field is steady and that in the second circuit is varies.
12.b	Circuit.2. Self-induction occurs when an electromotive force (emf) is induced in a coil due to variable current passing through it.
13.	Concave mirror – Always forms enlarged image – used by dentist Convex mirror – Always forms diminished image – Used as a rear view mirror in vehicles Plane mirror – The size of the image and the size of the object will be equal. – To see the face
14.a
14. b	Enlarged, inverted and real.
15. a	It is the heat energy liberated by the complete combustion of 1 kg of fuel.
15. b	i.Availability of sufficient oxygen. ii. Must be dry ( for solid fuels) iii. Liquid fuels must evaporate easily.
15. c	i. high calorific value, low pollution, high availability, low cost
16. a	Current, I = V/R = 230/460 = 0.5 A
16. b	Power, P = VI = 230×0.5 = 115 W
16. c	H = I2Rt = 0.5×0.5x460x10x60 = 69000 J
17. a	Primary coil. When thick wire is utilized, the resistance of the coil can be reduced. There are two advantages to this. i. Overheating of the coil can be avoided. ii. The transformer’s efficiency can be increased/energy loss minimized.
17. b	Mutual induction transfers power from the primary coil to the secondary coil. Passing a variable current through one of two neighboring coils induces an emf in the second. This behavior is known as mutual induction.
18. a	It signifies that the image is both inverted and actual.
18. b	u = – 40 cm m = -4 We have m = -v/u -4 = -v/-40 Or v = 40x-4 = -160 cm
18. c	f = uv/u+v = -40x-160/(-40+-160) = 40×160/-200 = -32 cm
19. a	When light moves from a dense medium to a less dense medium, the angle of incidence at which the angle of refraction is 90° is known as the critical angle.
19. b	The ray will be reflected back onto the glass
19. c	Total internal reflection occurs when the light goes from a media with higher optical density to a medium with lower optical density. If the angle of incidence exceeds the critical angle, the light is reflected back into the same medium rather than refracted.
20. a	a. Persistence in vision.
20. b	Because of its long wavelength, red scatters the least.
20. c	Blue is a colour with a shorter wavelength. As a result, it scatters and spreads widely across the atmosphere.
20. d	Tyndal effect

SSLC 2024 Physics Answer Key (Model Paper)

sslc 2024 physics answer key for the SSLC Physics Model Question paper is given below:

Class 10 Physics Model Question Paper 2024 : Section A

Section- A

Answer any four questions. Each question carries 1 score.

1. Find the relation in the first pair and complete the second.
(i) Electric iron: Heating effect
(ii) Electric motor:_________

Answer: Magnetic effect

2. Which of the following is not a part of moving coil loudspeaker? (voice coil, diaphragm, permanent magnet, slip rings)

Answer:slip rings

3. Find the angle of incidence in the following figure.

Answer:50º

4. What is the energy conversion taking place in a windmill?

Answer:Mechanical energy to electrical energy

5. How long does an electrical device of power 500 W work to consume 1 unit of electrical energy?

Answer:.2 hours

Class 10 Physics Model Question Paper 2024 : Section B

SECTION-B
Answer any four questions. Each question carries 2 scores.

6. Write any four methods to minimise energy crisis.

Answer:

.i. Use energy judiciously
ii. Use renewable sources of energy like solar energy maximum as possible.
iii. Construct houses so as to get sufficient sun light and air circulation.
iv. Use machines having high efficiency

7. A soldering iron of resistance 1250 works with a supply 200 V.
(a) Find the power of the soldering iron. R
(b) Calculate the amount of heat energy produced in 10 s. R

Answer:

a. R = 1250 Ω, V = 200 V
P = V²/R = 200²/1250 = 32 W
b. H = Pt = 32×10 = 320 J

8. Classify the energy produced from the following sources as green energy and brown energy.
(Solar power plant, Atomic reactor, Diesel engine, Hydroelectric power station)

Answer:

Green: solar power plant, hydroelectric power station.
Brown:Atomic reactor, Diesel Engine

9. Analyse the following figure and answer the questions.

(a) Which medium has more optical density?
(b) Calculate the speed of light in water if the refractive index of water is 1.33. (Speed of light in air = 3×10 m/s)

Answer:

a.water
b. v = c/n = 3x

/1.33 = 2.26x 108 m/s

10. Analyse the following statements and correct the mistakes if any :
(a) According to the new Cartesian sign convention the distance of the object from a mirror is always positive.
(b) Fleming’s left-hand rule helps to identify the direction of the magnetic field around a current-carrying conductor.

Answer:

.a. False. According to the New Cartesian Sign convention, the distance of the object from a mirror is always negative.
b. False. Right hand-thumb rule is used to identify the direction of magnetic field around a current
carrying conductor.
OR

Fleming’s left hand rule is used to identify the direction of magnetic force on a current carrying
conductor placed in a magnetic field.

SSLC Physics Question Papers 2024: Section C

SECTION-C
Answer any four questions. Each question carries 3 scores.

11. Analyse the following circuits:

(a) In which circuit the bulbs are connected in parallel?
(b) The bulbs in which circuit glow brighter when all the switches are put on?
(c) Justify your answer.

Answer:

a. Circuit.A
b.Circuit.A
c. In parallel connection, source voltage is fully available at both lamps. But in series connection, the
applied voltage is split between the lamps.

12. Match the following

Answer:

Plane mirror – periscope – The size of the image is same as that of the object.
Convex mirror – rear view mirror – Larger field of view
Concave mirror – shaving mirror – magnification is more

13. Ray diagram of the image formation in the human eye is depicted. Analyse the figure and answer the questions.

(a) Which figure indicates eye with short sightedness?
(b) What are the reasons of this defect?
(c) How is it rectified?

Answer:

a.B
b.i. Eye ball is larger than normal size.
ii. Focal length of eye lens is shorter than required focal length.
c.use a concave lens of suitable power

14. Two magnets and a current carrying conductor AB are placed on the top of a table as shown in the figure.

(a) In which direction should the current flow through the conductor to move it in a direction upwards from the table?
(b) Which rule helps you to find the answer?
(c) Write any two devices which work on this principle

Answer:

a. From A to B
b. Fleming’s left hand rule.
c. Electric motor, moving coil loud speaker.

15. Analyse the following figure and answer the questions.

(a) Find the angle of refraction.
(b) Write any one angle of incidence that produces total internal reflection.
(c) Write any two practical applications of total internal reflection.

Answer:

a.90°
b. 50° (Any angle larger than 42°)
c. Optic fibre, Endoscope

SSLC Physics Question Papers: Section D

SECTION-D
Answer any four questions. Each question carries 4 scores.

16. An electric circuit consisting of two incandescent lamps are depicted below. Analyse the circuit and answer the questions.

(a) Which material is used as filament in incandescent lamps?
(b) Calculate the current through the circuit when 5, and S, are put on.
(c) What happens to the circuit when all the switches are put on?

17. A transformer without power loss works at an input of 250 V. A current of 1 A flows through the secondary coil when an electrical device of power 50 W is connected to the secondary.
(a) Which type of transformer is used here?
(b) What is the working principle of transformer?
(c) Calculate the current through the primary.

18. Analyse the following schematic diagram and answer the questions.

(a) Name the device.
(b) Which are the main parts of this device?
(c) Illustrate the graphic representation of the output when the field magnet is rotated by keeping the armature stationary.
19. The following diagram represents the passage of light from an object through a lens MN.

(a) Which type of lens is MN?
(b) Copy and redraw the diagram to get the image of the object.
(c) Write any two characteristics of this image.

20. Analyse the following figure and answer the questions.

(a) Which are the colors obtained on the screen?
(b) Which among these has the longest wavelength ?
(c) Name the process in which of light splits up into its constituent colours.
(d) What difference is observed when red laser light is used instead of sunlight?

SSLC Physics Previous Years Question Paper with Answers PDF

Solving previous year’s question papers helps students improve their time management skills and grasp the exam pattern. It will also help to revise the important concepts through questions. We have included a pdf of Kerala Board Class 10 Physics question papers in the table below.

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