Physics Why does a cannon recoil after firing ? Newton's third law of motion Conservation of energy Newton's first law of motion Backward thrust of gases produced Newton's third law of motion Conservation of energy Newton's first law of motion Backward thrust of gases produced ANSWER DOWNLOAD EXAMIANS APP
Physics The force of friction between two surfaces will increase if: Air gap is created between the two surfaces A layer of lubricant is kept between the two surfaces The two surfaces are pressed harder Irregularities on both the surfaces are removed Air gap is created between the two surfaces A layer of lubricant is kept between the two surfaces The two surfaces are pressed harder Irregularities on both the surfaces are removed ANSWER DOWNLOAD EXAMIANS APP
Physics Outside of cooking utensils are generally left black from below because Black surface is a good conductor of heat. Black surface is a good absorber of heat. It is difficult to clean daily. Black surface is a poor conductor of heat. Black surface is a good conductor of heat. Black surface is a good absorber of heat. It is difficult to clean daily. Black surface is a poor conductor of heat. 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 Plano-concave mirror Plane mirror Concave mirror Convex mirror Plano-concave mirror Plane mirror Concave mirror ANSWER DOWNLOAD EXAMIANS APP
Physics One should not connect a number of electrical appliances to the same power socket because this can damage the domestic wiring due to overloading the appliance will not get full voltage this can damage the electrical meter this can damage the appliances due to overloading this can damage the domestic wiring due to overloading the appliance will not get full voltage this can damage the electrical meter this can damage the appliances due to overloading ANSWER DOWNLOAD EXAMIANS APP
Physics When a number of resistors are connected in series in a circuit, the value of current: Becomes half Increases Decreases Remains the same Becomes half Increases Decreases Remains the same ANSWER DOWNLOAD EXAMIANS APP
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