ECAT PHYSICS T04
Posted on February 10, 2020 by IBAGRADSQuizsummary
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Question 1 of 5
1. Question
1. In a certain house, four electric bulb each of power 100 watt are used 5 hours daily. If the rate of electricity is 4 Rupees per unit. What will be total cost of energy used for 30 days?

Question 2 of 5
2. Question
2. A Player caught a cricket ball of mass 150gm moving at a rate of 20m/s. If the catching process is completed in 0.1s, the force of the below exerted by the ball on the hand of the player is equal to?

Question 3 of 5
3. Question
3. When a ceiling fan is switched on, it makes 10 revolutions in the first 3 seconds. Assuming a uniform angular acceleration, how many revolutions it will make in the next 3 seconds?

Question 4 of 5
4. Question
4. What is the dimensional representation of Young‟s modulus?

Question 5 of 5
5. Question
5. An interference pattern is obtained by Young‟s double slit arrangement and the fringe width is β . If the distance between the slits is halved and the distance of the screen from the slits is doubled the new fringe width will be?