Physics The base of an electric iron is brightly polished mainly To make it smooth and frictionless To make it more durable To reduce heat loss by radiation To make it rust-proof To make it smooth and frictionless To make it more durable To reduce heat loss by radiation To make it rust-proof ANSWER DOWNLOAD EXAMIANS APP
Physics Light travels fastest in Diamond Glass Water Air Diamond Glass Water Air ANSWER DOWNLOAD EXAMIANS APP
Physics A small gap is left at the joints of rails in a railway track to Keep the rails equidistant Avoid the heating of tracks to high temperature Control the speed of train Avoid the tracks being distorted due to seasonal temperature variation Keep the rails equidistant Avoid the heating of tracks to high temperature Control the speed of train Avoid the tracks being distorted due to seasonal temperature variation ANSWER DOWNLOAD EXAMIANS APP
Physics Find the maximum velocity for the overturn of a car moving on a circular track of radius 100 m. The co-efficient of friction between the road and tyre is 0.2 1.4 km/s 0.14 m/s 14 m/s 140 m/s 1.4 km/s 0.14 m/s 14 m/s 140 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics A microscope used in pathological laboratories forms Magnified, virtual and inverted image Diminished, virtual and erect image Diminished, real and erect image Magnified, virtual, erect image Magnified, virtual and inverted image Diminished, virtual and erect image Diminished, real and erect image Magnified, virtual, erect image ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following are methods of heat transfer? Convection Thermal Expansion Revolution Evaporation Convection Thermal Expansion Revolution Evaporation ANSWER DOWNLOAD EXAMIANS APP