Physics Period of oscillation of 3 cm microwaves in seconds is 1 × 1010 0.001 1 × 10–10 0.01 1 × 1010 0.001 1 × 10–10 0.01 ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of sound is the greatest in : Glycerine Air Water Glass Glycerine Air Water Glass ANSWER DOWNLOAD EXAMIANS APP
Physics The oldest type of energy known to man is Geothermal energy Tidal energy Solar power Wind power Geothermal energy Tidal energy Solar power Wind power ANSWER DOWNLOAD EXAMIANS APP
Physics A standing wave occurs when A wave reflects upon itself The speed of the wave is zero or near zero Two waves overlap The amplitude of a wave exceeds its wavelength A wave reflects upon itself The speed of the wave is zero or near zero Two waves overlap The amplitude of a wave exceeds its wavelength ANSWER DOWNLOAD EXAMIANS APP
Physics Hot water is poured simultaneously in four metallic tumblers painted outside with different paints. After some time the water will be found to have cooled most in the tumbler painted. Rough white Shining black Rough black Shining white Rough white Shining black Rough black Shining white ANSWER DOWNLOAD EXAMIANS APP
Physics It is dangerous to observe Solar eclipse with naked eyes because All radiations from sun initiate chemical reactions in eyes Ultraviolet radiations from Sun burn our retina Infrared radiations from sun burn our retina Cosmic rays reach eyes more during the eclipse All radiations from sun initiate chemical reactions in eyes Ultraviolet radiations from Sun burn our retina Infrared radiations from sun burn our retina Cosmic rays reach eyes more during the eclipse ANSWER DOWNLOAD EXAMIANS APP
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