Discussion
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- Question
If a ball is thrown up, which of the following does not change?
Options- A. Acceleration
- B. Speed
- C. Potential energy
- D. Distance
- Correct Answer
- Acceleration
- 1. The washing machine works on the principle of ____________
Options- A. Dialysis
- B. Diffusion
- C. Reverse osmosis
- D. Centrifugation Discuss
- 2. 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
- 3. Which device is used to measure the depth of ocean?
Options- A. Lexometer
- B. Nanometer
- C. Fathometer
- D. Hydrometer Discuss
- 4. What is the unit of electric resistance?
Options- A. Dyne
- B. Pascal
- C. Joule
- D. Ohms Discuss
- 5. Which of the following has the lowest frequency?
Options- A. Visible light
- B. Gamma rays
- C. X-rays
- D. Ultra violet rays Discuss
- 6. 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
- 7. Upward force on a floating body is called _______.
Options- A. jerk
- B. buoyancy
- C. Archimedal force
- D. Anti-gravity Discuss
- 8. Women have shrill voice because of _______.
Options- A. Low frequency
- B. High frequency
- C. Shrill vocals
- D. Strong epiglottis Discuss
- 9. When ice floats on water, its _____ part remains outside the water.
Options- A. 0.5
- B. 0.3
- C. 0.1
- D. 1 Discuss
- 10. One nanometer is equal to _____________ meters.
Options- A. 10 raised to the power (3)
- B. 10 raised to the power (-6)
- C. 10 raised to the power (-9)
- D. 10 raised to the power (-12) Discuss
Physics problems
Search Results
Correct Answer: Centrifugation
Correct Answer: have low penetrating power
Correct Answer: Fathometer
Correct Answer: Ohms
Correct Answer: Visible light
Correct Answer: Zero
Correct Answer: buoyancy
Correct Answer: High frequency
Correct Answer: 0.1
Correct Answer: 10 raised to the power (-9)
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