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Question 1:

Consider the following statements-

1. Both surface tension and torque have the same SI unit.

2. Both pressure and stress have the same SI unit. 

3. The SI unit of impulse and work is not the same.

4. SI units of speed, velocity and acceleration are the same.

Which of the following statement(s) is/are correct?

Question 2:

Consider the following pairs-

Physical quantity – SI unit 

  1. Electric conductance –Ohm
  2. Electric potential – Joule/coulomb
  3. Electric charge – Ampere/second
  4. Impedence - Ohm

Which of the following given above is/are incorrectly matched?

Question 3:

Which of the following is/are the unit of the force that is acting for a short period of time?

1. Newton

2. Newton-second

3. Dyne -second

4. Dyne

Question 4:

Which of the following is/are wrongly matched?

  1. Pressure – scalar quantity
  2. Speed of light – scalar quantity 
  3. Velocity – scalar quantity
  4. Gravitational field –vector quantity

Question 5:

Tensor quantity is a quantity that has–

Question 6:

Which one of the following is a vector quantity?

Question 7:

Which of the following is/are the unit of length?

  1. Astronomical unit
  2. Light year
  3. Lunar month
  4. Leap year

Question 8:

Which of the following is the physical quantity for the expression arc/radius?

Question 9:

Watt second is the unit of:

Question 10:

The SI unit of electric potential difference is volt (V), named after