Physics Which of these is not a simple machine? A lever A ramp A pair of scissors The pulley A lever A ramp A pair of scissors The pulley ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to roll a stone up a sloping road than to lift it vertical upwards because Work done in lifting the stone is equal to rolling it. Work done in rolling a stone is less than in lifting it. Work done in both is same but the rate of doing work is less in rolling. Work done in rolling is more than in lifting. Work done in lifting the stone is equal to rolling it. Work done in rolling a stone is less than in lifting it. Work done in both is same but the rate of doing work is less in rolling. Work done in rolling is more than in lifting. ANSWER DOWNLOAD EXAMIANS APP
Physics What is the source of energy for the water cycle? Animals Clouds Sun Rain water Animals Clouds Sun Rain water ANSWER DOWNLOAD EXAMIANS APP
Physics A water tank appears shallower when it is viewed from top due to Total internal reflection Reflection Rectilinear propagation of light Refraction Total internal reflection Reflection Rectilinear propagation of light Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor Can be of any shape Should be in the form of a vertical rod Should be made of a good conductor like copper with sharp-pointed edges Should be made of a good conductor but can be of any shape Can be of any shape Should be in the form of a vertical rod Should be made of a good conductor like copper with sharp-pointed edges Should be made of a good conductor but can be of any shape ANSWER DOWNLOAD EXAMIANS APP
Physics If you look into a mirror and find that the image (your reflection) is smaller than you, then the type of the mirror is: Convex mirror Plane mirror Concave mirror Plano-concave mirror Convex mirror Plane mirror Concave mirror Plano-concave mirror ANSWER DOWNLOAD EXAMIANS APP