# Physics MCQs Solved

Physics MCQs

What is the SI unit of force?
a) Newton
b) Pascal
c) Joule
d) Watt

Which of the following is an example of a scalar quantity?
a) Velocity
b) Acceleration
c) Mass
d) Force

What is the formula to calculate density?
a) Mass × Volume
b) Force × Acceleration
c) Velocity ÷ Time
d) Power ÷ Time

According to Newton’s first law of motion, an object at rest will remain at rest unless acted upon by a:
a) Frictional force
b) Gravitational force
c) Magnetic force
d) Net external force

What is the formula to calculate work?
a) Force × Distance
b) Mass × Velocity
c) Power ÷ Time
d) Acceleration ÷ Time

Which of the following statements is true about an inclined plane?
a) It increases the force required to move an object.
b) It decreases the force required to move an object.
c) It has no effect on the force required to move an object.
d) It changes the direction of the force required to move an object.

Which of the following is a renewable source of energy?
a) Coal
b) Natural gas
c) Solar power
d) Petroleum

What happens to the resistance of a conductor when its length is doubled?
a) It doubles
b) It halves
d) It remains the same

What is the unit of electric current?
a) Ampere
b) Volt
c) Ohm
d) Watt

What is the formula to calculate electric power?
a) Voltage × Current
b) Current × Resistance
c) Resistance ÷ Voltage
d) Voltage ÷ Current