Physics The speed of light in air is 3 × 108 m/s 3 × 10–8 m/s 8 × 103 m/s Infinity 3 × 108 m/s 3 × 10–8 m/s 8 × 103 m/s Infinity ANSWER DOWNLOAD EXAMIANS APP
Physics We feel cool when we sit near the fan, this is because Fan cools surrounding air. Air vapourises the sweat on our body. Fan gives cool air. We feel cool when air touches the body. Fan cools surrounding air. Air vapourises the sweat on our body. Fan gives cool air. We feel cool when air touches the body. ANSWER DOWNLOAD EXAMIANS APP
Physics The apparent weight of a man in a lift is less the real weight when : The lift is going down with an acceleration The lift is going up with an acceleration The lift is going down with uniform speed The lift is going up with uniform speed The lift is going down with an acceleration The lift is going up with an acceleration The lift is going down with uniform speed The lift is going up with uniform speed ANSWER DOWNLOAD EXAMIANS APP
Physics Large astronomical telescopes always use as objective lens combinations of lenses None of these mirror lens combinations of lenses None of these mirror ANSWER DOWNLOAD EXAMIANS APP
Physics Radio waves sent out by a radio stations are reflected by Troposphere Mesosphere Stratosphere Ionosphere Troposphere Mesosphere Stratosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of sound in air depends on Frequency Wavelength Temperature None of these Frequency Wavelength Temperature None of these ANSWER DOWNLOAD EXAMIANS APP
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