Physics
A piece of ice is floating in water kept in a beaker. When all the ice melts the level of water will

Rise
First rise and then fall
Fall
Remain the same

ANSWER DOWNLOAD EXAMIANS APP

Physics
Of the four locations mentioned below the highest inside temperature will be attained in the pressure cooker operated with the pressure valve open

at sea level
in an aeroplane flying at a height of 10,000 m with inside pressure maintained at the sea level
at a place in a valley below sea level
at the top of Mt. Everest

ANSWER DOWNLOAD EXAMIANS APP

Physics
Lightning is produced when

Similar charges of electricity rush towards each other and then get repelled
Strong opposite charges in different clouds break down the resistance offered by the intervening air
Clouds strike against impurities in air and the friction burns up these impurities
Water vapour produces electricity in the clouds

ANSWER DOWNLOAD EXAMIANS APP