Discussion
Home ‣ General Knowledge ‣ Physics Comments
- Question
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
- Correct Answer
- Because of free electrons
- 1. Formula for distance is
Options- A. speed x time
- B. time / speed
- C. speed x acceleration
- D. velocity / speed Discuss
- 2. 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
- 3. 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
- 4. Find the acceleration (in m/s2) of a body which accelerates from 25 m/s to 30 m/s in 10 seconds
Options- A. 5.5
- B. 1
- C. 11
- D. 0.5 Discuss
- 5. For a body moving with uniform acceleration its final velocity equals _________________.
Options- A. average velocity - initial velocity
- B. 2 x average velocity - initial velocity
- C. 2 x average velocity + initial velocity
- D. average velocity + initial velocity Discuss
- 6. Which of the following has the lowest frequency?
Options- A. Visible light
- B. Gamma rays
- C. X-rays
- D. Ultra violet rays Discuss
- 7. What is the unit of electric resistance?
Options- A. Dyne
- B. Pascal
- C. Joule
- D. Ohms Discuss
- 8. Which device is used to measure the depth of ocean?
Options- A. Lexometer
- B. Nanometer
- C. Fathometer
- D. Hydrometer Discuss
- 9. 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
- 10. The washing machine works on the principle of ____________
Options- A. Dialysis
- B. Diffusion
- C. Reverse osmosis
- D. Centrifugation Discuss
Physics problems
Search Results
Correct Answer: speed x time
Correct Answer: Momentum
Correct Answer: velocity
Correct Answer: 0.5
Correct Answer: 2 x average velocity - initial velocity
Correct Answer: Visible light
Correct Answer: Ohms
Correct Answer: Fathometer
Correct Answer: have low penetrating power
Correct Answer: Centrifugation
Comments
There are no comments.More in General Knowledge:
Programming
Copyright ©CuriousTab. All rights reserved.