Physics The energy of a photon varies directly with its Speed Wave length None of these Frequency Speed Wave length None of these Frequency ANSWER DOWNLOAD EXAMIANS APP
Physics The waveform of a certain signal can be studied by Cathode ray oscilloscope Spectrometer P – n junction diode Sonometer Cathode ray oscilloscope Spectrometer P – n junction diode Sonometer ANSWER DOWNLOAD EXAMIANS APP
Physics Skating on ice is possible because The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water The pressure on the ice due to skate raises its melting point Ice is cold The surface of ice is smooth The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water The pressure on the ice due to skate raises its melting point Ice is cold The surface of ice is smooth ANSWER DOWNLOAD EXAMIANS APP
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 A simple microscope consists of : A short focus concave lens A long focus convex lens A short focus convex lens A long focus concave lens A short focus concave lens A long focus convex lens A short focus convex lens A long focus concave lens ANSWER DOWNLOAD EXAMIANS APP
Physics In mirrors the back surface is coated with a thin layer of : Silver nitrate Red oxide Silver Mercury Silver nitrate Red oxide Silver Mercury ANSWER DOWNLOAD EXAMIANS APP