Physics A nuclear reactor is said to have become 'critical' when It starts emitting dangerous radioactive radiations It is ready to produce controlled energy It stops due to malfunctioning It is shut down to avoid explosion It starts emitting dangerous radioactive radiations It is ready to produce controlled energy It stops due to malfunctioning It is shut down to avoid explosion ANSWER DOWNLOAD EXAMIANS APP
Physics If cream is removed from milk, its density May increase or decrease Remains the same Decreases Increases May increase or decrease Remains the same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Physics For which one of the following does the centre of mass lie outside the body? A book A ring A fountain pen A cricket ball A book A ring A fountain pen A cricket ball ANSWER DOWNLOAD EXAMIANS APP
Physics If the phase difference between two points is 120° for a wave with velocity of 360 m/s and frequency 500 Hz, then path difference between the two points is 6 cm 1 cm 24 cm 12 cm 6 cm 1 cm 24 cm 12 cm 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 Irregularities on both the surfaces are removed The two surfaces are pressed harder Air gap is created between the two surfaces A layer of lubricant is kept between the two surfaces Irregularities on both the surfaces are removed The two surfaces are pressed harder ANSWER DOWNLOAD EXAMIANS APP
Physics Materials for rain-proof coats and tents owe their water-proof properties to surface tension specific gravity viscosity elasticity surface tension specific gravity viscosity elasticity ANSWER DOWNLOAD EXAMIANS APP