Physics An aeroplane is flying horizontally with a velocity of 600 km/h and at a height of 1960 m. When it is vertically at a point A on the ground a bomb is released from it. The bomb strikes the ground at point B. The distance AB is 3.33 km 0.33 km 1200 m 33 km 3.33 km 0.33 km 1200 m 33 km ANSWER DOWNLOAD EXAMIANS APP
Physics Which determines the frequency of a sound wave? Amplitude Source Speed Medium Amplitude Source Speed Medium ANSWER DOWNLOAD EXAMIANS APP
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 Beats Doppler effect Echo Resonance Beats Doppler effect Echo Resonance ANSWER DOWNLOAD EXAMIANS APP
Physics Proton carry a Variable Charge Negative Charge Positive Charge Neutral Charge Variable Charge Negative Charge Positive Charge Neutral Charge ANSWER DOWNLOAD EXAMIANS APP
Physics The phenomenon of light associated with the appearance of blue colour of the sky is Reflection Interference Scattering Refraction Reflection Interference Scattering Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics The ringing of an electric bell in an enclosed evacuated glass bell jar is not heard outside because The bell jar is too small There is no air or any other gas in the bell jar The glass of the bell jar absorbs the sound waves The ringing is not loud enough The bell jar is too small There is no air or any other gas in the bell jar The glass of the bell jar absorbs the sound waves The ringing is not loud enough ANSWER DOWNLOAD EXAMIANS APP
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