Physics The force of friction between two surfaces will increase if: 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 Air gap is created between the two surfaces A layer of lubricant is kept between the two surfaces ANSWER DOWNLOAD EXAMIANS APP
Physics In very cold countries alcohol is used as a thermometric liquid because Alcohol is a poor conductor of heat Its freezing point is very low It will not stick to the glass tube Alcohol can be coloured for its level to be seen easily Alcohol is a poor conductor of heat Its freezing point is very low It will not stick to the glass tube Alcohol can be coloured for its level to be seen easily ANSWER DOWNLOAD EXAMIANS APP
Physics Gamma rays have greatest similarity with U.V.-rays A-rays X-rays B-rays U.V.-rays A-rays X-rays B-rays ANSWER DOWNLOAD EXAMIANS APP
Physics Sound cannot pass through Air Steel Water Vacuum Air Steel Water Vacuum ANSWER DOWNLOAD EXAMIANS APP
Physics Carbon Arc lamps are commonly used in Cinema projectors Domestic lighting Photography Vehicles Cinema projectors Domestic lighting Photography Vehicles ANSWER DOWNLOAD EXAMIANS APP
Physics The motion of a body that repeats itself after a regular interval of time is An oscillatory motion A periodic motion An aperiodic motion A simple harmonic motion An oscillatory motion A periodic motion An aperiodic motion A simple harmonic motion ANSWER DOWNLOAD EXAMIANS APP
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