Work, Energy and Power — Physics STD 10 — Question

What will be the impact on deflection of the compass needle when the current in the conducting wire is increased?

Modern super sonic war planes use the principle of ________ while detecting their targets.

The wave produced in the interior of the earth is called:

Ohm's law is _________ .

Which of the following has the highest refractive index

A potentiometer is connected to a cell through switch in series. To one end of the potentiometer is attached a voltmeter with the help of connecting wire and a jockey, When the jockey is moved over the potentiometer wire from zero end to 100 cm the reading shown by voltmeter is likely to:

Lateral displacement decreases with _________ in wavelength.

The ratio of the wavelength to waves is 4: 5. The ratio of their frequency is __________ :
(If the velocity of the waves are same)

For levers of second order, the mechanical advantage is always

Which statement is NOT true for an electromagnet?