Discussion
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- Question
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
- Correct Answer
- Tin and Lead
- 1. 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
- 2. 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
- 3. The motion of a freely falling body is an example of ________________________ motion.
Options- A. uniformly accelerated
- B. non-uniformly accelerated
- C. constant velocity
- D. constant speed Discuss
- 4. A bullet of mass 10gm is fired with a velocity of 40 m/s from a gun of mass 8 kg. Find the recoil velocity (in m/s) of the gun.
Options- A. 2
- B. 0.1
- C. 4
- D. 0.05 Discuss
- 5. The coil wire in the electric room heater or electric cooking heater is called __________.
Options- A. Circuit
- B. Element
- C. Filament
- D. Cells Discuss
- 6. Who discovered theory of relativity?
Options- A. Isaac Newton
- B. Albert Einstein
- C. Niel Bohr
- D. Michael Faraday Discuss
- 7. 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
- 8. What is the unit of the physical quantity "Young's modulus"?
Options- A. newton
- B. erg
- C. joule
- D. pascal Discuss
- 9. 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
- 10. What is the unit of relative density?
Options- A. kg/m
- B. kg/m2
- C. kg/m3
- D. It has no unit Discuss
Physics problems
Search Results
Correct Answer: 0 m/s
Correct Answer: 12.33 diopters
Correct Answer: uniformly accelerated
Correct Answer: 0.05
Correct Answer: Element
Correct Answer: Albert Einstein
Correct Answer: Geiger counter
Correct Answer: pascal
Correct Answer: Hooke's law
Correct Answer: It has no unit
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