Physics The period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be: 2 T 1 T 4 T 8 T 2 T 1 T 4 T 8 T ANSWER DOWNLOAD EXAMIANS APP
Physics Lightning is produced when Water vapour produces electricity in the clouds Clouds strike against impurities in air and the friction burns up these impurities Strong opposite charges in different clouds break down the resistance offered by the intervening air Similar charges of electricity rush towards each other and then get repelled Water vapour produces electricity in the clouds Clouds strike against impurities in air and the friction burns up these impurities Strong opposite charges in different clouds break down the resistance offered by the intervening air Similar charges of electricity rush towards each other and then get repelled ANSWER DOWNLOAD EXAMIANS APP
Physics If density of oxygen is 16 times that of hydrogen, what will be their corresponding ratio of velocity of sound? 0.16736111111111 0.044444444444444 0.084027777777778 0.052777777777778 0.16736111111111 0.044444444444444 0.084027777777778 0.052777777777778 ANSWER DOWNLOAD EXAMIANS APP
Physics The apparent weight of a man in a lift is less the real weight when : The lift is going down with uniform speed The lift is going up with an acceleration The lift is going up with uniform speed The lift is going down with an acceleration The lift is going down with uniform speed The lift is going up with an acceleration The lift is going up with uniform speed The lift is going down with an acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics After removing two electrons from helium atom it become? UV rays Gama particle Alpha particle X rays UV rays Gama particle Alpha particle X rays ANSWER DOWNLOAD EXAMIANS APP
Physics Sending a frame to a group of stations is known as Casting Multicasting Single casting Spreading Casting Multicasting Single casting Spreading ANSWER DOWNLOAD EXAMIANS APP