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 Echo Beats Doppler effect Resonance Echo Beats Doppler effect Resonance ANSWER DOWNLOAD EXAMIANS APP
Physics The pitch of sound depends on its Velocity Frequency Amplitude Intensity Velocity Frequency Amplitude Intensity ANSWER DOWNLOAD EXAMIANS APP
Physics In a Cinema hall, the distance between the projector and the screen is increased by 2%. Then the intensity of illumination on the screen is Decreased by 4% Increased by 2% Decreased by 2% Increased by 4% Decreased by 4% Increased by 2% Decreased by 2% Increased by 4% ANSWER DOWNLOAD EXAMIANS APP
Physics Which one among the following is not an electromagnetic wave? R-Ray Infrared Ray Cathode Ray X-Ray R-Ray Infrared Ray Cathode Ray X-Ray ANSWER DOWNLOAD EXAMIANS APP
Physics Why the needle of iron swims on water surface when it is kept gently ? It will remain under the water, when it will displace more water than its weight Due to surface tension The density of needle is less than that of water Due to its shape It will remain under the water, when it will displace more water than its weight Due to surface tension The density of needle is less than that of water Due to its shape ANSWER DOWNLOAD EXAMIANS APP
Physics Radian is used to measure Solid Angle Intensity of Flame Angle Temperature Solid Angle Intensity of Flame Angle Temperature ANSWER DOWNLOAD EXAMIANS APP
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