Physics Inside an aeroplane, flying at a high altitude, the pressure is the same as that outside. normal humidity and partial vacuum are maintained. the pressure inside is less than the pressure outside. normal atmospheric pressure is maintained by the use of air pumps. the pressure is the same as that outside. normal humidity and partial vacuum are maintained. the pressure inside is less than the pressure outside. normal atmospheric pressure is maintained by the use of air pumps. ANSWER DOWNLOAD EXAMIANS APP
Physics The bats can fly in the dark because They can see the objects in darkness They have weak legs and are likely to be attacked by predators They generate flashes of light They generate ultrasonic sound waves They can see the objects in darkness They have weak legs and are likely to be attacked by predators They generate flashes of light They generate ultrasonic sound waves ANSWER DOWNLOAD EXAMIANS APP
Physics The sparkling of a diamond is due to Refraction of light Interference of light Total internal reflection of light Polarisation of light Refraction of light Interference of light Total internal reflection of light Polarisation of light ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator what produces the cooling ? None of these The sudden expansion of a compressed gas The ice which deposits on the freezer The evaporation of a volatile liquid None of these The sudden expansion of a compressed gas The ice which deposits on the freezer The evaporation of a volatile liquid ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of sound travel fastest through None of these Gas Liquid Solid None of these Gas Liquid Solid ANSWER DOWNLOAD EXAMIANS APP
Physics Amount of water vapour (gaseous) in a given volume of air (cubic metre) is known as: Specific humidity Relative humidity Absolute humidity Mixing ratio Specific humidity Relative humidity Absolute humidity Mixing ratio ANSWER DOWNLOAD EXAMIANS APP
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