Discussion
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- Question
The substances which reduce friction are called _________.
Options- A. irregularities
- B. lubricants
- C. adhesives
- D. viscous
- Correct Answer
- lubricants
- 1. If the speed of an object moving along a straight line keeps changing, its motion is said to be _________.
Options- A. Uniform
- B. Periodic
- C. Circular
- D. Non-uniform Discuss
- 2. Which among the following is a vector quantity?
Options- A. Heat
- B. Angular momentum
- C. Work
- D. Time Discuss
- 3. 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
- 4. When ice floats on water, its _____ part remains outside the water.
Options- A. 0.5
- B. 0.3
- C. 0.1
- D. 1 Discuss
- 5. Women have shrill voice because of _______.
Options- A. Low frequency
- B. High frequency
- C. Shrill vocals
- D. Strong epiglottis Discuss
- 6. What is the unit of calorific value?
Options- A. kN/kg
- B. kJ/kg
- C. kW/sec
- D. kCal/sec Discuss
- 7. If the force applied on the object is in the direction opposite to the direction of motion, the speed of the object __________.
Options- A. increases
- B. stops
- C. decreases
- D. no effect Discuss
- 8. The SI unit of acceleration is _______________.
Options- A. meters per seconds squared
- B. meters per second
- C. seconds per meter
- D. seconds per meter squared Discuss
- 9. Which of the following is Inexhaustible Natural Resources?
Options- A. Air
- B. Minerals
- C. Forests
- D. Coal Discuss
- 10. What is the heat generated (in J) in a heating element of resistance 900 ? when a current of 0.3 A passes through it for 10 seconds?
Options- A. 2700
- B. 810
- C. 405
- D. 1350 Discuss
Physics problems
Search Results
Correct Answer: Non-uniform
Correct Answer: Angular momentum
Correct Answer: 10 raised to the power (-9)
Correct Answer: 0.1
Correct Answer: High frequency
Correct Answer: kJ/kg
Correct Answer: decreases
Correct Answer: meters per seconds squared
Correct Answer: Air
Correct Answer: 810
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