Physics Conservation of energy refers to the fact that No chemical reaction is 100 percent efficient If you conserve energy you will not be as tired Energy cannot be created or destroyed but can be converted from one form to another The entropy of the universe is always increasing No chemical reaction is 100 percent efficient If you conserve energy you will not be as tired Energy cannot be created or destroyed but can be converted from one form to another The entropy of the universe is always increasing ANSWER DOWNLOAD EXAMIANS APP
Physics The pitch of sound depends on its Intensity Frequency Velocity Amplitude Intensity Frequency Velocity Amplitude ANSWER DOWNLOAD EXAMIANS APP
Physics A rubber ball is dropped from a height of 2 metres. To what height will it rise if there is no loss of energy/velocity after rebounding ? 1 metre 2 metres 3 metres 4 metres 1 metre 2 metres 3 metres 4 metres ANSWER DOWNLOAD EXAMIANS APP
Physics What type of simple machine is an axe? The screw Lever Wedge Both A & B The screw Lever Wedge Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics It is difficult to fix a nail on a freely suspended wooden frame. Which law supports this statement? Newton's second law Pascal's law Law of inertia Newton's third law Newton's second law Pascal's law Law of inertia Newton's third law ANSWER DOWNLOAD EXAMIANS APP
Physics In order to make an electromagnet you need a Iron nail Thin coated copper wire Dry cell batteries All of these Iron nail Thin coated copper wire Dry cell batteries All of these ANSWER DOWNLOAD EXAMIANS APP
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