Physics Test - ...

How many numbers of base SI units are there?

In a certain region of space with volume \(0.2 \mathrm{~m}^{3}\), the electric potential is found to be \(5 \mathrm{~V}\) throughout. The magnitude of electric field in this region is:

At \(t = 0\), an arrow is fired vertically upwards with a speed of \(100 ms^{-1}\). A second arrow is fired vertically upwards with the same speed at \(t = 5~s\). Then,

Which of the following method is used to measure the distance of a planet or star from Earth?

When ice melts, its density _______.

The total internal energy of a mole of a rigid diatomic gas is?

An oscillator circuit contains an inductor \(0.05 \mathrm{H}\) and a capacitor of capacity \(80 \mu F\). When the maximum voltage across the capacitor is \(200 \mathrm{~V}\), the maximum current (in amperes) in the circuit is:

In the given figure, the charge stored in \(6 \mu \mathrm{F}\) capacitor, when points \(\mathrm{A}\) and \(\mathrm{B}\) are joined by a connecting wire is ____________\(\mu \mathrm{C}\).

The loudness of the Sound produced by a radio increases by _______.