Discussion
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- Question
What is the unit of electric resistance?
Options- A. Dyne
- B. Pascal
- C. Joule
- D. Ohms
- Correct Answer
- Ohms
- 1. Which of the following has the lowest frequency?
Options- A. Visible light
- B. Gamma rays
- C. X-rays
- D. Ultra violet rays Discuss
- 2. Why metals conduct electricity?
Options- A. Because of low melting point
- B. Because of high tensile strength
- C. Because of free electrons
- D. Because of high atomic density Discuss
- 3. Formula for distance is
Options- A. speed x time
- B. time / speed
- C. speed x acceleration
- D. velocity / speed Discuss
- 4. If a force acts upon two objects at rest, and having different masses for the same amount of time, then which one of the following will be the same for both the objects?
Options- A. Acceleration
- B. Kinetic Energy
- C. Velocity
- D. Momentum Discuss
- 5. During uniform motion of an object along a straight line, its ___________ remains constant with time
Options- A. acceleration
- B. deceleration
- C. force
- D. velocity Discuss
- 6. Which device is used to measure the depth of ocean?
Options- A. Lexometer
- B. Nanometer
- C. Fathometer
- D. Hydrometer Discuss
- 7. Which of the following is not true about Xrays?
Options- A. have low penetrating power
- B. travel with the speed of light
- C. Can be reflected or refracted
- D. can affect photographic plates Discuss
- 8. The washing machine works on the principle of ____________
Options- A. Dialysis
- B. Diffusion
- C. Reverse osmosis
- D. Centrifugation Discuss
- 9. If a ball is thrown up, which of the following does not change?
Options- A. Acceleration
- B. Speed
- C. Potential energy
- D. Distance Discuss
- 10. If a body is moving on a circular path, what is its average velocity if it completes one cycle in one second?
Options- A. Average velocity depends upon time taken to complete one cycle
- B. One
- C. Average velocity is same as average speed
- D. Zero Discuss
Physics problems
Search Results
Correct Answer: Visible light
Correct Answer: Because of free electrons
Correct Answer: speed x time
Correct Answer: Momentum
Correct Answer: velocity
Correct Answer: Fathometer
Correct Answer: have low penetrating power
Correct Answer: Centrifugation
Correct Answer: Acceleration
Correct Answer: Zero
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