Physics Selected Questions and Answers Set 10
Q.1:- A piece of glass is heated to high temperature and then allowed to cool. If it cracks, a possible reason for this is the […]
Q.1:- A piece of glass is heated to high temperature and then allowed to cool. If it cracks, a possible reason for this is the […]
Q.1:- A lesser beam is always ? A convergent beam A divergent beam A parallel beam Divergent to start with an parallel later on Q.2:- […]
Q.1:- A wire of resistance R is cut into ‘n’ equal parts. These parts are then connected in parallel. The equivalent resistance of the combination […]
Q.1:- Which one of the following phenomena cannot attributed to the refraction of light ? Twinkling of stars Mirage Rainbow Redshift Q.2:- Optical fibre works […]
Q.1:- Distance of stars measured in ? Galactic Unit Seller Mile Cosmic Kilometre Light Year Ans:- (d) Light Year Q.2:- Water drops do not stick […]
Q.1:- Which one of the following phenomena is used in optical fibres ? Scattering Successive Reflection Refraction Total Internal Reflection Ans:- (d) Total Internal Reflection […]
Q.1:- Which of the following is a scalar quantity ? Electric Current Electric Field Acceleration Linear Momentum Ans:- (a) Electric Current Q.2:- The instrument used […]
Q.1:- Compared to burn due to air at 100°C, a burn due to steam at 100°C is ? Ans:- More Dangerous Q.2:- When a CD […]
Q.1:- Which are the primary Colours ? Ans:- Red, Green, Blue Q.2:- Which unit we use to express Nuclear sizes ? Ans:- Fermi Q.3:- […]
Q.1:- Light from the sun reaches earth in about? Ans:- 8 Minutes Q.2:- The time period of a pendulum depends on? Ans:- The Length […]
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