Physics When two similar sources vibrate with slightly different frequencies, a regular rise and fall occurs in the loudness of tone. This phenomenon is known as Resonance Doppler effect Beats Echo Resonance Doppler effect Beats Echo ANSWER DOWNLOAD EXAMIANS APP
Physics Why does ice covered in sawdust not melt quickly ? Sawdust does not allow the air to touch the ice The water is absorbed by sawdust Sawdust is a bad conductor of heat Sawdust is good conductor of heat Sawdust does not allow the air to touch the ice The water is absorbed by sawdust Sawdust is a bad conductor of heat Sawdust is good conductor of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Which one type of radiation has the longest wave length X-ray Radio Wave Ultraviolet Infrared X-ray Radio Wave Ultraviolet Infrared ANSWER DOWNLOAD EXAMIANS APP
Physics If the length of a simple pendulum is halved then its period of oscillation is Increased by a factor 2 Doubled Decreased by a factor 2 Halved Increased by a factor 2 Doubled Decreased by a factor 2 Halved ANSWER DOWNLOAD EXAMIANS APP
Physics Mirage is due to: Equal heating of different parts of the atmosphere Magnetic disturbances in the atmosphere Unequal heating of different parts of the atmosphere Depletion of ozone layer in the atmosphere Equal heating of different parts of the atmosphere Magnetic disturbances in the atmosphere Unequal heating of different parts of the atmosphere Depletion of ozone layer in the atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics According to special theory of relativity the mass of a particle Decreases with decrease in velocity. Increases with increase in velocity with respect to an observer. Decreases with increase in velocity. Is independent of its velocity. Decreases with decrease in velocity. Increases with increase in velocity with respect to an observer. Decreases with increase in velocity. Is independent of its velocity. ANSWER DOWNLOAD EXAMIANS APP
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