Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 20 cm 10 cm 15 cm 5 cm 20 cm 10 cm 15 cm 5 cm ANSWER DOWNLOAD EXAMIANS APP
Physics Velocity of sound in air does not change with the change of Moisture content in air Temperature of air Pressure of air Wind in the direction of propagation of sound Moisture content in air Temperature of air Pressure of air Wind in the direction of propagation of sound ANSWER DOWNLOAD EXAMIANS APP
Physics The hair of shaving brush clings together when removed from water due to Viscosity Elasticity Friction Surface tension Viscosity Elasticity Friction Surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics Decibel is the unit used for Intensity of sound Radio wave frequency Speed of light Intensity of heat Intensity of sound Radio wave frequency Speed of light Intensity of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following colour of light deviates least through the prism? Yellow Violet Green Red Yellow Violet Green Red ANSWER DOWNLOAD EXAMIANS APP
Physics Purpose of an optical filter is to Refract light of different colours Dispense light into component colours Reflect lights of different colours Transmit or absorb light of different colours Refract light of different colours Dispense light into component colours Reflect lights of different colours Transmit or absorb light of different colours ANSWER DOWNLOAD EXAMIANS APP
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