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Everyday Science MCQs
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3401.When sound waves reach the ear drum?
3402.In which one of the following, the speed of sound is maximum?
3403.In which of the following, speed of the sound is maximum?
3404.The speed of sound in aluminium is _____?
3405.The speed of sound is minimum in _____?
3406.A region on a longitudinal wave where the particles are furthest apart is called?
3407.A region in a longitudinal wave where the particles are closest together is called?
3408.When an object is placed far away from the concave mirror its image will be?
3409.When an object is placed very close to a concave mirror its image will be?
3410.A mirror which has a reflecting surface that bulges outwards like the back side of the spoon is called ____?