How many protons are present in a single deuterium nucleus?
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what is the importance of frequency?
Why does a glass filled with water shatter when you run your finger along the rim of the glass?
How magnetic materials are classified?
Explain what is meant by 4th dimension?
When water is boiled in a tin and its mouth is closed by a rubber cork, then on pouring cold water over the tin it is crushed. Why ?
The light in vehicle become dim when it is starting,why?
explain principle of potentiometer
Which lens is used for correcting long ?sightedness ?
Why is flywheel used in motor cars ?
What is the weight of automotive oil?
Explain what is optical medium?
Explain the use of galvanometer?