General Science MCQ Questions with Answers : Physics General Knowledge Questions
Physics General Knowledge Questions
25) What happens when the height of a body from the ground is doubled?
Ans . Potential energy is also doubled
26) What is the P.E of a body on the ground?
Ans . Zero
27) In the interior of the sun, which reaction takes place?
Ans . Nuclear fusion
28) In the sun, which is converted in to energy?
Ans . Matter
29) In the core of the sun, hydrogen nuclei fuse together to form which nuclei?
Ans . Helium
30) What is called a device which reduces human effort?
Ans . Machine
31) What is called the rigid code that can rotate about a fixe point, fulcrum?
Ans . Lever
32) What is called the force overcome by a lever?
Ans . Resistance
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