Discussion
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- Question
What is the unit of the physical quantity "Young's modulus"?
Options- A. newton
- B. erg
- C. joule
- D. pascal
- Correct Answer
- pascal
- 1. Device used for the detection and measurement of all types of radiation (alpha, beta and gamma)
Options- A. Geiger counter
- B. Polarimeter
- C. Calorimeter
- D. Radiometer Discuss
- 2. Who discovered theory of relativity?
Options- A. Isaac Newton
- B. Albert Einstein
- C. Niel Bohr
- D. Michael Faraday Discuss
- 3. Fuse wire is made of an alloy of
Options- A. Tin and Lead
- B. Tin and Copper
- C. Lead and Copper
- D. Copper and Silver Discuss
- 4. If an object is thrown upwards, what will be its velocity, when it reaches its maximum height?
Options- A. 0 m/s
- B. 4.9 m/s
- C. 14.7 m/s
- D. 20 m/s Discuss
- 5. Find the power of a convex lens if the image formed is at a distance of 25 cm from the lens when the object is placed on the other side of the lens at 12 cm from the optical centre?
Options- A. -4.33 diopters
- B. 12.33 diopters
- C. -12.33 diopters
- D. 4.33 diopters Discuss
- 6. The strain produced in a body is directly proportional to the stress applied on it, is called _______.
Options- A. Dollar's law
- B. Hooke's law
- C. Miller's law
- D. Kepler's law Discuss
- 7. What is the unit of relative density?
Options- A. kg/m
- B. kg/m2
- C. kg/m3
- D. It has no unit Discuss
- 8. In the formula average velocity = (u + v) /2, u is the ___________.
Options- A. Final velocity
- B. Initial displacement
- C. Initial velocity
- D. Final displacement Discuss
- 9. As the object covers unequal distances in equal intervals of time, it is said to be in ____________ motion.
Options- A. uniform
- B. linear
- C. non-uniform
- D. equilibrium Discuss
- 10. The impression of an image persists on the retina for about _________ of a second.
Options- A. 1/10th
- B. 1/8th
- C. 1/16th
- D. 1/5th Discuss
Physics problems
Search Results
Correct Answer: Geiger counter
Correct Answer: Albert Einstein
Correct Answer: Tin and Lead
Correct Answer: 0 m/s
Correct Answer: 12.33 diopters
Correct Answer: Hooke's law
Correct Answer: It has no unit
Correct Answer: Initial velocity
Correct Answer: non-uniform
Correct Answer: 1/16th
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