General Physics Questions And Answers, Set 8

 

General Physics Questions And Answers

Q1. 

The number of base units for measuring physical quantities according to the SI system are ____

Answer : 

7

Q2. 

Convert 5 N to Dynes.

Answer : 

500000 Dynes

Q3. 

Which is a unit of temperature?

Answer : 

Fahrenheit

Q4. 

If two bodies are moving in opposite directions with non-zero velocities, which statements is true?

Answer : 

Relative velocity > Absolute velocity

Q5. 

A body A is moving in North direction, while another body B is moving towards South. Velocity of A is greater than that of B. If North is taken as positive, which of the following relative velocities is positive?

Answer : 

Velocity of A with respect to B

Q6. 

A car moves with zero initial velocity up to a velocity of 5 m/s with an acceleration of 10 m/s2. The distance covered is ___

Answer : 

1.25m

Q7. 

A coin and a bag full of rocks are thrown in a gravity less environment with the same initial speed. Which one of the following statements is true about the situation?

Answer :   

Both will travel with the same speed

Q8. 

A uniformly accelerated body has ____

Answer : 

Constant force

Q9. 

A ball is thrown up in the sky, at what position will the instantaneous speed be minimum?

Answer : 

Halfway through the whole trajectory

Q10. 

A truck requires 3 Hrs to complete a journey of 150 km, what is the average speed?

Answer :

50 km/hr

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