Physics The plastic material commonly used for making gear wheels is Polyesters Nylons Polystyrene Bakelit Polyesters Nylons Polystyrene Bakelit ANSWER DOWNLOAD EXAMIANS APP
Physics The layer of atmosphere used for radio-wave transmission is Chromosphere Ionosphere Stratosphere Troposphere Chromosphere Ionosphere Stratosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Physics The working of the quartz crystal in the watch is based on the Piezo - electric Effect Johnson Effect Photoelectric Effect Edison Effect Piezo - electric Effect Johnson Effect Photoelectric Effect Edison Effect ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier for a man to swim in sea water, than in river water because The sea is-deeper than the river The sea is wider than the river The density of sea water is more than the density of river water The density of sea water is lesser than the density of river water The sea is-deeper than the river The sea is wider than the river The density of sea water is more than the density of river water The density of sea water is lesser than the density of river water ANSWER DOWNLOAD EXAMIANS APP
Physics The force of friction between two surfaces will increase if: 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 Air gap is created between the two surfaces ANSWER DOWNLOAD EXAMIANS APP
Physics The reverse effect of X–ray emission is Compton effect Zeeman effect Raman effect Photoelectric Compton effect Zeeman effect Raman effect Photoelectric ANSWER DOWNLOAD EXAMIANS APP
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