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The recent drop in crude prices was influenced by concerns over China's slowing demand and positive economic data from the US.
The base of an electric iron is brightly polished mainly -
A potentiometer is an accurate and versatile device to make electrical measurements of E.M.F. because the method involves:
A bomb at rest explodes into a large number of tiny fragments. The total momentum of all the fragments –
The instrument used to measure the speed of the wind is –
The refractive indices of quartz crystal for right handed and left handed circularly polarized light of wavelength 762.9 nm are 1.5391 and 1.5392 respe...
Which of the following materials exhibits piezoelectric effect?
When heated from 0° to 10°C volume of a given mass of water will -
When a cannonball is fired, its motion is an example of ______.
In AC circuits, AC meters measure –
The refractive index of glass is 1.5. What is the speed of light in glass?
(Speed of light in vacuum is 3.0 ×108 m s-1)