# RRB Previous Year Physics Questions

A stick is dipped in a vessel containing water. It appears bent due to the property of-

• Reflection
• Newton’s Law of Motion
• Refraction
• Buoyancy

The temperature on the surface of the sun is about-

• 8 × 1015 °C
• 500 °C
• 6000 °C
• 1000 °C

The planet farthest from the Sun is-

• Pluto
• Mercury
• Jupiter
• Neptune

Which one of the following is measured on the ‘RICHTER SCALE’?

• The speed of a rocket 5 seconds after take-off
• The intensity of a thunderstorm
• The intensity of an earthquake
• The speed at which a player serves the ball in Lawn Tennis

As a train approaches us, the frequency or shrillness of its whistle increases. This phenomenon is explained by-

• Big Bang Theory
• Doppler Effect
• Charles’ Law
• Archimedes Principle

The load on a spring per unit deflection is called-

• Stress
• Flexibility
• Stiffness
• Strain

The term acceleration means-

• The maximum speed of a vehicle
• Rate of change of time
• Rate of change of velocity
• Rate of change of distance

A body of mass 10 kg accelerates from rest at the rate of 3 m/sec². What distance would body travel in 10 seconds?

• 250 meters
• 100 meters
• 150 meters
• 200 meters

The efficiency of a heat engine is 40%. If 10,000 joules of heat energy is supplied to it, then the useful work done by the engine would be-

• 40,000 Joules
• 10,000 Joules
• 25,000 Joules
• 4,000 Joules

There are three non-collinear points. How many circles can be drawn passing through them?

Read More ⇒ Dimensional Analysis and its Application Notes

• Infinite
• One
• Two
• Three

What do you understand by the term ‘Absolute Pressure’?

• It is the atmospheric pressure at mean sea level
• It is the atmospheric pressure expressed in kg/ cm²
• It is the pressure equal to the algebraic sum of atmospheric and gauge pressures
• It is the pressure as seen on the gauge of a pressure measuring instrument