Physics Red light has a wavelength of 70 A°. In "nm" it is 70 nm 700 nm 0.07 nm 7 nm 70 nm 700 nm 0.07 nm 7 nm ANSWER DOWNLOAD EXAMIANS APP
Physics When an unbalanced force acts on an object The speed & direction of the object will change Causes the object to move All of these Causes change in motion of the object The speed & direction of the object will change Causes the object to move All of these Causes change in motion of the object ANSWER DOWNLOAD EXAMIANS APP
Physics Red is used as an emergency or danger signal as Its wavelength is the longest It is a striking colour It is scattered It has very high energy Its wavelength is the longest It is a striking colour It is scattered It has very high energy ANSWER DOWNLOAD EXAMIANS APP
Physics When the main switch of the house is put off it disconnects the Live wire and the neutral wire Earth wire and the neutral wire Live wire and the earth wire Live wire only Live wire and the neutral wire Earth wire and the neutral wire Live wire and the earth wire Live wire only 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 Doppler effect Echo Beats Resonance Doppler effect Echo Beats Resonance ANSWER DOWNLOAD EXAMIANS APP
Physics Suppose voltage V is applied across a resistance R. The power dissipated in the resistance is P. Now the same voltage V is applied across a parallel combination of three equal resistors each of resistance R. Then the power dissipated in the second case will be P/3 3P 2p/ 3 P P/3 3P 2p/ 3 P ANSWER DOWNLOAD EXAMIANS APP
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