Physics Metals are good conductors of electricity because: They contain free electrons. The atoms are lightly packed. They have high melting point. All of these They contain free electrons. The atoms are lightly packed. They have high melting point. All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Two waves, each of amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/s. The distance in mm between adjacent nodes is : 1.2 1.5 2 1 1.2 1.5 2 1 ANSWER DOWNLOAD EXAMIANS APP
Physics What is found in frequency modulation ? Change in frequency and dimension Fixed frequency Change in dimension only Fixed dimension Change in frequency and dimension Fixed frequency Change in dimension only Fixed dimension ANSWER DOWNLOAD EXAMIANS APP
Physics Microphone is a device which transforms the Sound signal into light signal Light signal into sound signal Sound signal into current signal Current signal into sound signal Sound signal into light signal Light signal into sound signal Sound signal into current signal Current signal into sound signal ANSWER DOWNLOAD EXAMIANS APP
Physics A convex mirror of focal length f (in air) is immersed in a liquid (u=4/3). The focal length of the mirror in the liquid will be : (4/3)f (3/4)f (7/3)f F (4/3)f (3/4)f (7/3)f F ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic field lines about a current-carrying wire Circle the wire in closed loops Both of these Extend radially from the wire None of these Circle the wire in closed loops Both of these Extend radially from the wire None of these ANSWER DOWNLOAD EXAMIANS APP
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