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Daily Physics Quiz in Bengali |WBCS| August 10,2021

Daily GK Quiz

āĻ†āĻĄā§āĻĄāĻž 247āĻ āĻ†āĻĒāĻ¨āĻžāĻ•ā§‡ āĻ¸ā§āĻŦāĻžāĻ—āĻ¤āĨ¤ WBCS, WBSSC, WBP, WBPSC, RAIL, BANK āĻ‡āĻ¤ā§āĻ¯āĻžāĻĻāĻŋ āĻ¸āĻ•āĻ˛ āĻĒā§āĻ°āĻ¤āĻŋāĻ¯ā§‹āĻ—āĻŋāĻ¤āĻžāĻŽā§‚āĻ˛āĻ• āĻĒāĻ°ā§€āĻ•ā§āĻˇāĻžāĻ° āĻœāĻ¨ā§āĻ¯ ADDA 247 āĻŦāĻžāĻ‚āĻ˛āĻžāĻ° āĻ¤āĻ°āĻĢ āĻĨā§‡āĻ•ā§‡ āĻ°āĻ‡āĻ˛ Daily GK QuizāĨ¤āĻĒā§āĻ°āĻ¤āĻŋāĻĻāĻŋāĻ¨ āĻĨāĻžāĻ•āĻ›ā§‡ āĻĻāĻļāĻŸāĻŋ āĻ•āĻ°ā§‡ āĻĒā§āĻ°āĻļā§āĻ¨ āĻāĻŦāĻ‚ āĻāĻ° āĻ¸āĻŽāĻžāĻ§āĻžāĻ¨ āĻ¸āĻš āĻ‰āĻ¤ā§āĻ¤āĻ° āĨ¤

Q1. āĻ¯āĻĻāĻŋ āĻāĻ•āĻŸāĻŋ āĻŦāĻ˛ āĻ¨āĻŋāĻ•ā§āĻˇā§‡āĻĒ āĻ•āĻ°āĻž āĻšāĻ¯āĻŧ āĻ¨āĻŋāĻšā§‡āĻ° āĻ•ā§‹āĻ¨āĻŸāĻŋ āĻĒāĻ°āĻŋāĻŦāĻ°ā§āĻ¤āĻ¨ āĻšāĻ¯āĻŧ āĻ¨āĻž?

(a) āĻ¤ā§āĻŦāĻ°āĻŖ

(b) āĻ—āĻ¤āĻŋ

(c) āĻ¸ā§āĻĨāĻŋāĻ¤āĻŋāĻļāĻ•ā§āĻ¤āĻŋ

(d) āĻĻā§‚āĻ°āĻ¤ā§āĻŦ

Q2. āĻ“āĻšāĻŽā§‡āĻ° āĻ¸ā§‚āĻ¤ā§āĻ° āĻ•āĻŋ āĻ•ā§āĻˇā§‡āĻ¤ā§āĻ°ā§‡ āĻŦā§ˆāĻ§?

(a) āĻ…āĻ°ā§āĻ§āĻĒāĻ°āĻŋāĻŦāĻžāĻšā§€

(b) āĻĒāĻ°āĻŋāĻŦāĻžāĻšā§€

(c) āĻ…āĻ¤āĻŋāĻĒāĻ°āĻŋāĻŦāĻžāĻšā§€

(d) āĻ…āĻĒāĻ°āĻŋāĻŦāĻžāĻšā§€

Q3. āĻ¨āĻŋāĻšā§‡āĻ° āĻ•ā§‹āĻ¨āĻŸāĻŋ āĻļāĻŦā§āĻĻā§‡āĻ° āĻŦā§‡āĻ—ā§‡āĻ° āĻ‰āĻĒāĻ° āĻ•ā§‹āĻ¨ā§‹ āĻĒā§āĻ°āĻ­āĻžāĻŦ āĻĢā§‡āĻ˛ā§‡ āĻ¨āĻž?

(a) āĻšāĻžāĻĒ

(b) āĻ¤āĻžāĻĒāĻŽāĻžāĻ¤ā§āĻ°āĻž

(c) āĻ†āĻ°ā§āĻĻā§āĻ°āĻ¤āĻž

(d) āĻ˜āĻ¨āĻ¤ā§āĻŦ

Q4. āĻ¨āĻŸ āĻ•āĻŋāĻ¸ā§‡āĻ° āĻĒāĻ°āĻŋāĻŽāĻžāĻĒ?

(a) āĻœāĻžāĻšāĻžāĻœā§‡āĻ° āĻ—āĻ¤āĻŋ

(b) āĻ—ā§‹āĻ˛āĻžāĻ•āĻžāĻ° āĻŦāĻ¸ā§āĻ¤ā§āĻ° āĻŦāĻ•ā§āĻ°āĻ¤āĻž

(c) āĻ¸ā§ŒāĻ° āĻŦāĻŋāĻ•āĻŋāĻ°āĻŖ

(d) āĻ­ā§‚āĻŽāĻŋāĻ•āĻŽā§āĻĒ āĻļāĻ• āĻāĻ° āĻ¤ā§€āĻŦā§āĻ°āĻ¤āĻž

Q5.______ āĻšāĻ˛ āĻāĻ•āĻŸāĻŋ āĻŦāĻžāĻšā§āĻ¯āĻŋāĻ• āĻļāĻ•ā§āĻ¤āĻŋ āĻĻā§āĻŦāĻžāĻ°āĻž āĻāĻ•āĻŸāĻŋ āĻ¸āĻŋāĻ¸ā§āĻŸā§‡āĻŽ āĻĨā§‡āĻ•ā§‡ āĻ…āĻ¨ā§āĻ¯ āĻ•ā§‹āĻ¨ āĻ¸āĻŋāĻ¸ā§āĻŸā§‡āĻŽā§‡ āĻļāĻ•ā§āĻ¤āĻŋāĻ° āĻ¯āĻžāĻ¨ā§āĻ¤ā§āĻ°āĻŋāĻ• āĻ¸ā§āĻĨāĻžāĻ¨āĻžāĻ¨ā§āĻ¤āĻ°?

(a) āĻ•āĻžāĻ°ā§āĻ¯

(b) āĻ•ā§āĻˇāĻŽāĻ¤āĻž

(c) āĻ¤ā§€āĻŦā§āĻ°āĻ¤āĻž

(d) āĻŦāĻ˛

Q6. āĻ–āĻžāĻĻā§āĻ¯ā§‡āĻ° āĻļāĻ•ā§āĻ¤āĻŋ āĻ•ā§‹āĻ¨ āĻ‡āĻ‰āĻ¨āĻŋāĻŸā§‡ āĻŽāĻžāĻĒāĻž āĻ¯āĻžāĻ¯āĻŧ?

(a) āĻ•ā§‡āĻ˛āĻ­āĻŋāĻ¨

(b) āĻœā§āĻ˛

(c) āĻ•ā§āĻ¯āĻžāĻ˛ā§‹āĻ°āĻŋ

(d) āĻ¸ā§‡āĻ˛āĻ¸āĻŋāĻ¯āĻŧāĻžāĻ¸

Q7. āĻĢā§āĻ°āĻŋāĻ•ā§‹āĻ¯āĻŧā§‡āĻ¨ā§āĻ¸āĻŋāĻ° āĻāĻ•āĻ• āĻ•āĻŋ?

(a) āĻĄā§‡āĻ¸āĻŋāĻŦā§‡āĻ˛

(b) āĻ“āĻ¯āĻŧāĻžāĻŸ

(c) āĻšāĻžāĻ°ā§āĻŸāĻœ

(d) āĻ¨āĻŋāĻ‰āĻŸāĻ¨

Q8. āĻĒā§āĻ°āĻŋāĻœāĻŽā§‡ āĻŦāĻŋāĻ­āĻŋāĻ¨ā§āĻ¨ āĻ°āĻ™ā§‡āĻ° āĻ†āĻ˛ā§‹āĻ° āĻŦāĻŋāĻ­āĻžāĻœāĻ¨ āĻšāĻ˛

(a) āĻ†āĻ˛ā§‹āĻ° āĻĒā§āĻ°āĻ¤āĻŋāĻĢāĻ˛āĻ¨

(b) āĻ†āĻ˛ā§‹āĻ° āĻŦāĻŋāĻšā§āĻ›ā§āĻ°āĻŖ

(c) āĻ†āĻ˛ā§‹āĻ° āĻ…āĻĒāĻŦāĻ°ā§āĻ¤āĻ¨

(d) āĻ†āĻ˛ā§‹āĻ° āĻĒā§āĻ°āĻ¤āĻŋāĻ¸āĻ°āĻŖ

Q9. āĻ…āĻ¸ā§€āĻŽ āĻŦā§ˆāĻĻā§āĻ¯ā§āĻ¤āĻŋāĻ• āĻĒā§āĻ°āĻ¤āĻŋāĻ°ā§‹āĻ§ā§€ āĻĒāĻĻāĻžāĻ°ā§āĻĨāĻ•ā§‡ āĻŦāĻ˛āĻž āĻšāĻ¯āĻŧ?

(a) āĻĒāĻ°āĻŋāĻŦāĻžāĻšā§€

(b) āĻ…āĻ¨ā§āĻ¤āĻ°āĻ•

(c) āĻ°ā§‡āĻœāĻŋāĻ¸ā§āĻŸāĻ°

(d) āĻ‡āĻ˛ā§‡āĻ•ā§āĻŸā§āĻ°ā§‹āĻ˛āĻžāĻ‡āĻŸ

Q10. āĻŦā§āĻ¯āĻžāĻŸāĻžāĻ°āĻŋ āĻ•ā§‡ āĻ†āĻŦāĻŋāĻˇā§āĻ•āĻžāĻ° āĻ•āĻ°ā§‡āĻ¨?

(a) āĻĢā§āĻ¯āĻžāĻ°āĻžāĻĄā§‡

(b) āĻ­ā§‹āĻ˛ā§āĻŸāĻž

(c) āĻŽā§āĻ¯āĻžāĻ•ā§āĻ¸āĻ“āĻ¯āĻŧā§‡āĻ˛

(d) āĻ°āĻ¨ā§āĻŸāĻœā§‡āĻ¨

 

Solutions

S1. (a)

Sol-

  • When a ball is thrown up, it is constantly under the gravitational acceleration.
  • So it’s acceleration will not be change.

S2.(b)

  • Ohm’s law is valid for conductors.
  • According to ohm’s law electric current is proportional to voltage and inversely proportional to resistance.

S3. (a)

  • Velocity of the sound wave depends upon the temperature, density of medium in which it is traveling.
  • It also depends on moisture content in medium.

S4. (a)

  • Knot is the unit of Speed which is used to measure the speed of ship’s.
  • It is equal to one nautical mile per hour.

S5. (a)

  • Work is the energy which is transferred to or from any body , from or to any external force or system.

S6.(c)

  • Energy in the food can be measured in calorie.
  • 1 Calorie is defined as the amount of heat required at a pressure of 1 standard atmosphere to raise the temperature of 1 gran of water 1 degree Celsius.

S7. (C)

  • The S.I UNIT of frequency is Hertz.
  • 1 Hertz is defined as the one cycle per second.
  • It is named after Heinrich Rudolf Hertz.

S8. (b)

These colors are often observed as light passes through a triangular prism. Upon passage through the prism,  the white light is separated into it’s component color’s.-red, orange, yellow, green, blue and violet.

The separation of visible light into it’s different colors is known as dispersion.

S9. (b)

  • Insulators have very low conductivity near zero and have infinite resistance.

S10. (b)

  • In 1799 , Alessandro Volta invented the battery.
  • First true battery is known as voltaic pile.

adda247

ADDA 247 āĻŦāĻžāĻ‚āĻ˛āĻž āĻĒā§āĻ°āĻ¤āĻŋāĻĻāĻŋāĻ¨ āĻœā§‡āĻ¨āĻžāĻ°ā§‡āĻ˛ āĻ¸ā§āĻŸāĻžāĻĄāĻŋāĻœā§‡āĻ° āĻ‰āĻĒāĻ° āĻ¸āĻ•āĻ˛ āĻŦāĻŋāĻˇā§Ÿ āĻ¸āĻ˛āĻŋāĻ‰āĻļāĻ¨ āĻ¸āĻš 10 āĻŸāĻŋ āĻ•āĻ°ā§‡ āĻĒā§āĻ°āĻļā§āĻ¨ āĻĻāĻŋāĻšā§āĻ›ā§‡āĨ¤ āĻāĻ—ā§āĻ˛āĻŋ WBCS, WBP, WBSSC, BANK, RAIL āĻ¸āĻŽāĻ¸ā§āĻ¤ āĻĒā§āĻ°āĻ¤āĻŋāĻ¯ā§‹āĻ—āĻŋāĻ¤āĻžāĻŽā§‚āĻ˛āĻ• āĻĒāĻ°ā§€āĻ•ā§āĻˇāĻžāĻ° āĻœāĻ¨ā§āĻ¯ āĻ…āĻ¤ā§āĻ¯āĻ¨ā§āĻ¤ āĻ—ā§āĻ°ā§āĻ¤ā§āĻŦāĻĒā§‚āĻ°ā§āĻŖāĨ¤ History, Geography, Physics, Chemistry, Biology, Economics, Polity āĻāĻŦāĻ‚ Daily Current Affairs āĻāĻ° āĻ¨āĻ¤ā§āĻ¨ āĻ¨āĻ¤ā§āĻ¨ āĻ…āĻ¨ā§‡āĻ• MCQ āĻĒāĻ°ā§€āĻ•ā§āĻˇāĻžāĻ°ā§āĻĨā§€āĻĻā§‡āĻ° āĻ¸āĻ•āĻ˛ āĻĒā§āĻ°āĻ¤āĻŋāĻ¯ā§‹āĻ—āĻŋāĻ¤āĻžāĻŽā§‚āĻ˛āĻ• āĻĒāĻ°ā§€āĻ•ā§āĻˇāĻžā§Ÿ āĻ¸āĻžāĻĢāĻ˛ā§āĻ¯ āĻ†āĻ¨āĻ¤ā§‡ āĻ¸āĻžāĻšāĻžāĻ¯ā§āĻ¯ āĻ•āĻ°āĻŦā§‡āĨ¤ āĻĒā§āĻ°āĻ¤āĻŋāĻ¯ā§‹āĻ—āĻŋāĻ¤āĻžāĻŽā§‚āĻ˛āĻ• āĻ‰āĻ¤ā§āĻ¤ā§€āĻ°ā§āĻŖ āĻšāĻ“ā§ŸāĻžāĻ° āĻšāĻžāĻŦāĻŋāĻ•āĻžāĻ āĻŋ Mathematics āĻāĻŦāĻ‚ ReasoningāĨ¤ Daily Mathematics āĻāĻŦāĻ‚ Reasoning āĻĒā§āĻ°ā§āĻ¯āĻžāĻ•ā§āĻŸāĻŋāĻ¸ āĻ¯ā§‡āĻ•ā§‹āĻ¨ā§‹ āĻĒāĻ°ā§€āĻ•ā§āĻˇāĻžāĻ°ā§āĻĨā§€āĻ•ā§‡ āĻ¸āĻžāĻĢāĻ˛ā§āĻ¯ā§‡āĻ° āĻĻā§‹āĻ°āĻ—ā§‹ā§œāĻžā§Ÿ āĻĒā§ŒāĻāĻ›ā§‡ āĻĻā§‡āĻŦā§‡āĨ¤

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