Which of the following is used in oven ?
1). X-rays
2). UV rays
3). Microwaves
4). Radio waves
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1. The device used to change the speed of an electric fan is
2. Plants are dried up in winter due to frost because
3. How many laws of physics are there?
4. Stand up India' scheme launched by the Prime Minister recently is related with
5. Sending a frame to a group of stations is known as
6. In the absence of ozone layer, which rays will enter into atmosphere?
7. Who among the following is currently the Union Minister of Chemical and Fertilizers?
8. The following particles move with same kinetic energy. Which of them has maximum momentum ?