Discussion
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- Question
A man standing close to the platform at a railway station experiences a pulling force towards a fast moving train because of __________ .
Options- A. gravitational force between train and man
- B. illusion of the man
- C. the centripetal force
- D. pressure difference due to fast moving air in between
- Correct Answer
- pressure difference due to fast moving air in between
- 1. What is the unit of the physical quantity "Jerk"?
Options- A. meter second
- B. meter per second cube
- C. meter per second square
- D. meter per second Discuss
- 2. What does the slope of a velocity time graph represent?
Options- A. Acceleration
- B. Distance
- C. Speed
- D. Momentum Discuss
- 3. Even after sunset, the air near the Earth's surface continue to receive heat due to
Options- A. Insolation
- B. Terrestrial Radiation
- C. Conduction
- D. Convection Discuss
- 4. During which of the following operating conditions of an automobile, carbon monoxide content in exhaust gas is maximum?
Options- A. Acceleration
- B. Cruising
- C. Idle running
- D. Deacceleration Discuss
- 5. A galvanometer can be converted into a voltmeter by connecting with it a
Options- A. high resistance in parallel
- B. low resistance on parallel
- C. high resistance on series
- D. low resistance in series Discuss
- 6. What is the effective resistance (in ?) of two resistors 20 ? and 30 ? connected in parallel?
Options- A. 50
- B. 12
- C. 24
- D. 36 Discuss
- 7. If price of an article decreases from P1 to Rs 25, quantity demanded increases from 900 units to 1200 units. If point elasticity of demand is 2 find P1?
Options- A. Rs. 20
- B. Rs. 30
- C. Rs. 25
- D. Rs. 35 Discuss
- 8. The absolute refractive index of any medium is always:
Options- A. more than one
- B. 0
- C. 1
- D. less than one Discuss
- 9. An electric iron of 750 W is used for S hours per day. Then the energy consumed in one day by the iron is:
Options- A. 6 units
- B. 600 units
- C. 0.6 units
- D. 60 units Discuss
- 10. The energy obtained from atoms is known as.........
Options- A. Solar energy
- B. Heat energy
- C. Nuclear energy
- D. Chemical energy Discuss
Physics problems
Search Results
Correct Answer: meter per second cube
Correct Answer: Acceleration
Correct Answer: Terrestrial Radiation
Correct Answer: Idle running
Correct Answer: high resistance on series
Correct Answer: 12
Correct Answer: Rs. 30
Correct Answer: more than one
Correct Answer: 6 units
Correct Answer: Nuclear energy
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