RRB JE 2019 Previous Year GK Questions with Answers

Work done in moving a charge through a potential difference is W = Q × V, so W = 2 × 12 = 24 joule.

Pressing Shift together with the spacebar selects the whole row that holds the active cell, from column A right across to the last column of the grid.

Pitch is the characteristic of a sound by which the brain judges it as shrill or flat, and it is decided by the frequency of the wave.

The speed of a wave is the product of its frequency and its wavelength, so the speed here is 50 hertz multiplied by 4 metres, that is 200 metres per second.

By the sign convention the focal length of a concave lens is negative, so f is minus 15 centimetres, and the object distance measured against the direction of the incident light is minus 30 centimetres.

Article 78 makes it the duty of the Prime Minister to communicate to the President all decisions of the Council of Ministers relating to the administration of the Union and proposals for legislation; to furnish such information about them as the President may call for; and, if the President so…

Ghoomar is a folk dance of Rajasthan performed by women in long, flared skirts called ghaghras, who spin gracefully in circles.

Mahatma Gandhi gave the call 'Do or Die' (Karo ya Maro) when the Quit India Movement was launched in August 1942.

Kanha Tiger Reserve lies in the Mandla and Balaghat districts of Madhya Pradesh, in the Maikal hills at the eastern end of the Satpura range.

Polythene is a synthetic plastic that bacteria and fungi cannot break down, so it is non-biodegradable. A plastic bag can stay in soil or water for hundreds of years.

The N shell is the fourth shell (n = 4), and the most electrons a shell can hold is given by the formula 2n², so 2 × 4² = 32.

In diamond every carbon atom is joined to four other carbon atoms by strong covalent bonds. These bonds point towards the corners of a tetrahedron and build a rigid three-dimensional network that runs through the whole crystal.

It is the standard set of rules used for reflection by spherical mirrors and for the mirror formula. Under this convention the pole of the mirror is the origin and the principal axis is the x-axis.