Physics The ringing of an electric bell in an enclosed evacuated glass bell jar is not heard outside because The bell jar is too small The ringing is not loud enough There is no air or any other gas in the bell jar The glass of the bell jar absorbs the sound waves The bell jar is too small The ringing is not loud enough There is no air or any other gas in the bell jar The glass of the bell jar absorbs the sound waves ANSWER DOWNLOAD EXAMIANS APP
Physics A body of mass 2 kg is thrown upward with initial velocity of 20 m/s. After 2 seconds, its kinetic energy will be : (g = 10 m/s2) 400 J 0 J 200 J 100 J 400 J 0 J 200 J 100 J ANSWER DOWNLOAD EXAMIANS APP
Physics A 4 kg object is moving horizontally with a speed of 5 m/s. To increase its speed to 10 m/s, the amount of net work required to be done on this object is: 50 J 100 J 150 J 75 J 50 J 100 J 150 J 75 J ANSWER DOWNLOAD EXAMIANS APP
Physics A man standing on a edge of a cliff throws a stone vertically upwards with a certain speed. He then throws another stone downwards with the same speed. Find the ratio of the speeds of the two stones when they hit the ground. Cannot be found from the given information. 0.042361111111111 0.043055555555556 0.044444444444444 Cannot be found from the given information. 0.042361111111111 0.043055555555556 0.044444444444444 ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following characteristics of light remains unchanged when light travels from vaccum enters water Frequency Wavelength Speed Amplitude Frequency Wavelength Speed Amplitude ANSWER DOWNLOAD EXAMIANS APP
Physics Lightning is produced when Water vapour produces electricity in the clouds 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 Similar charges of electricity rush towards each other and then get repelled Water vapour produces electricity in the clouds 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 Similar charges of electricity rush towards each other and then get repelled ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS