Physics A photo-electric cell converts Mechanical energy to electric energy Heat energy to mechanical energy Light energy to chemical energy Light energy to electrical energy Mechanical energy to electric energy Heat energy to mechanical energy Light energy to chemical energy Light energy to electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics Man perceives sound vibrations in the frequency ranges of 0 – 5 Hz 6 – 10 Hz 20 – 20000 Hz 11 – 20 Hz 0 – 5 Hz 6 – 10 Hz 20 – 20000 Hz 11 – 20 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics During washing of clothes, we use indigo due to its Better cleaning action Proper pigmental composition Very low cost High glorious nature Better cleaning action Proper pigmental composition Very low cost High glorious nature ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these liquids has the highest viscosity? Milk Water Syrup Pineapple juice Milk Water Syrup Pineapple juice ANSWER DOWNLOAD EXAMIANS APP
Physics What is the source of energy for the water cycle? Rain water Animals Sun Clouds Rain water Animals Sun Clouds ANSWER DOWNLOAD EXAMIANS APP
Physics During the motion of a projectile fired from the earth surface, ________ Horizontal component of its velocity remains constant Its momentum remains constant Its kinetic energy remains constant Vertical component of its velocity remains constant Horizontal component of its velocity remains constant Its momentum remains constant Its kinetic energy remains constant Vertical component of its velocity remains constant ANSWER DOWNLOAD EXAMIANS APP
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