Physics The frequency of ultrasound wave is typically Below 20 kHz Above 20,000 kHz Above 20 kHz Below 02 kHz Below 20 kHz Above 20,000 kHz Above 20 kHz Below 02 kHz ANSWER DOWNLOAD EXAMIANS APP
Physics We feel cool when we sit near the fan, this is because Fan gives cool air. We feel cool when air touches the body. Air vapourises the sweat on our body. Fan cools surrounding air. Fan gives cool air. We feel cool when air touches the body. Air vapourises the sweat on our body. Fan cools surrounding air. ANSWER DOWNLOAD EXAMIANS APP
Physics On a stationary sail boat, air is blown from a fan attached to the boat. The boat does not move spins around moves in opposite direction in which the air is blown moves in the same direction in which air blows does not move spins around moves in opposite direction in which the air is blown moves in the same direction in which air blows ANSWER DOWNLOAD EXAMIANS APP
Physics The sparkling of a diamond is due to Total internal reflection of light Refraction of light Interference of light Polarisation of light Total internal reflection of light Refraction of light Interference of light Polarisation of light ANSWER DOWNLOAD EXAMIANS APP
Physics The ''four stroke petrol engine' is based on Boyle's-cycle Otto-cycle Diesel-cycle Carnot-cycle Boyle's-cycle Otto-cycle Diesel-cycle Carnot-cycle ANSWER DOWNLOAD EXAMIANS APP
Physics These waves cannot be transmitted through vacuum. Heat Sound Light Electromagnetic Heat Sound Light Electromagnetic ANSWER DOWNLOAD EXAMIANS APP
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