Physics Purpose of an optical filter is to Transmit or absorb light of different colours Dispense light into component colours Reflect lights of different colours Refract light of different colours Transmit or absorb light of different colours Dispense light into component colours Reflect lights of different colours Refract light of different colours ANSWER DOWNLOAD EXAMIANS APP
Physics The wavelength of a wave is the distance between Trough and Trough Crest and Crest Crest and Trough Both B & C Trough and Trough Crest and Crest Crest and Trough Both B & C ANSWER DOWNLOAD EXAMIANS APP
Physics On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because: mercury is a metal. cohesion of mercury is greater than its adhesion with glass. cohesion of water is greater than its adhesion with glass. density of mercury is greater than that of water. mercury is a metal. cohesion of mercury is greater than its adhesion with glass. cohesion of water is greater than its adhesion with glass. density of mercury is greater than that of water. ANSWER DOWNLOAD EXAMIANS APP
Physics The motion of a freely falling body is an example of ________ motion. Constant velocity Non-uniformly accelerated Uniformly accelerated Constant speed Constant velocity Non-uniformly accelerated Uniformly accelerated Constant speed ANSWER DOWNLOAD EXAMIANS APP
Physics To resolve an object in an electron microscope, The wavelength of the electrons must be greater than the diameter of the object. None of these Both A & B The wavelength of the electrons must be close to the diameter of the object The wavelength of the electrons must be greater than the diameter of the object. None of these Both A & B The wavelength of the electrons must be close to the diameter of the object ANSWER DOWNLOAD EXAMIANS APP
Physics During uniform motion of an object along a straight line, its ________ remains constant with time. Acceleration Deceleration Velocity Force Acceleration Deceleration Velocity Force ANSWER DOWNLOAD EXAMIANS APP
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