NEET Test 187...

An infinite line charge produces a field of 9 × 10⁴N/C at distance of 2 cm. Calculate the linear charge density.

In a series LCR circuit the RMS voltages across the inductance, capacitance and resistance are respectively 4 V,8 V and 5 V. The RMS voltage of the AC source in the circuit is:

'Khaira' disease of rice is caused due to deficiency of

Transmission media used in low frequency band are

Which one of the following is the most widely accepted method of contraception in India, at present?

Which of the following statements is not correct according to molecular orbital theory?

A simple pendulum of length l has a brass bob attached at its lower end. Its period is T. If a steel bob of same size, having density x times that of brass, replaces the brass bob and its length is changed so that period becomes 2T, then new length is

A particle of charge q moves with a velocity where a,b and c are constants. The magnitude of the force experienced by the particle is

If 1000ml of gas A at 600 torr and 500ml of gas B at 800 torr are mixed in a 2 litre flask, the pressure of the mixture at constant temperature will be:

The surface of a metal is illuminated with the light of 400 nm. The kinetic energy of the ejected photoelectrons was found to be 1.68eV. The work function of the metal is: (hc = 1240eVnm)