Physics The plastic material commonly used for making gear wheels is Bakelit Polystyrene Polyesters Nylons Bakelit Polystyrene Polyesters Nylons 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 Increased by 2% Decreased by 2% Increased by 4% Decreased by 4% Increased by 2% Decreased by 2% Increased by 4% Decreased by 4% ANSWER DOWNLOAD EXAMIANS APP
Physics Which colour has the highest frequency? Violet Green Red Indigo Violet Green Red Indigo ANSWER DOWNLOAD EXAMIANS APP
Physics Rolling friction is caused by ________ Gravity Non-elastic effects Power dissipation Buoyancy Gravity Non-elastic effects Power dissipation Buoyancy ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the metals has the maximum thermal conductivity? Iron Aluminium Copper Silver Iron Aluminium Copper Silver ANSWER DOWNLOAD EXAMIANS APP
Physics The cover of a solar cooker is made of glass because It absorbs sun's rays It reflects sun's rays It rediates heat better than metals It retains the heat inside by the green house effect It absorbs sun's rays It reflects sun's rays It rediates heat better than metals It retains the heat inside by the green house effect ANSWER DOWNLOAD EXAMIANS APP