What is meant by reflection of waves?
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When the letters of an opposite side board are found in a mirror as reverse,why the same is not shown as up and down?
Dear sir, I appeared for the interview for the post of SCIENTIST/ENGINEER 'SC'in ISRO on 02/12/2009. when the resluts will be announced??
What is the weight of automotive oil?
Which element has the lowest melting point?
Why is one?s breath visible in cold, but not in not in hot weather ?
If blue light is combined with green light, what color of light is produced?
Explain the Transparent ?
What is meant by common potential?
What are the seven colors of white light ?
Explain what is the translucent?
What is the name for the physical constant with a value of 6.62 x 10-27 erg seconds?
In which medium the velocity of sound is large?