List of practice Questions

Soils of Western Rajasthan have a high content of
A man can see upto 5 metre clearly. To see clear upto 10 m, the focal length of lens will be
Two springs with spring constants \(K_1 = 1500 \, \text{N/m}\) and \(K_2 = 3000 \, \text{N/m}\) are stretched by the same force. The ratio of potential energy stored in spring will be
The volume of a gas at 1140 mm of Hg pressure and 546°C temperature is 150 litre. The volume of gas at S.T.P. will be
The metal that cannot displace hydrogen from dilute hydrochloric acid is
A force is applied on a 6 gm mass (at rest) for 20 seconds. After no force is exerted on it and after travelling distance of 50 cm in 5 seconds, mass stops. The amount of force in Newton will be
Work done during the expansion of a gas from a volume of \(4 \, \text{dm}^3\) to \(6 \, \text{dm}^3\) against a constant external pressure of 3 atm is (1 L atm = 101.32 J)
pH value of 0.0001 M HCl solution is
Little leaf disease of mango and brinjal is caused due to the deficiency of
Length of a rod increases 0.2% on increasing the temperature by 100°C. The value of coefficient of linear expansion of material of rod is
IUPAC name of
H\(_3\)C - C = CH - CH\(_2\) - CH\(_3\) Cl
The value of one Faraday charge is
A particle of charge ‘q’, mass ‘m’ and velocity ‘v’, enters perpendicular to a magnetic field ‘B’, force on particle will be
When \(10^{14}\) electrons are removed from a neutral metal sphere, the charge on the sphere becomes
The correct order of Radii is
In a 10 cm long horizontal wire, 5 Amp current is flowing. The mass of the wire is \(3 \times 10^{-3}\) kg/m. What will be the field to keep wire stable?
Phenol with dilute HNO\(_3\) gives
Potassium chloride contains K-(Approximate)
Which of the following atoms would be paramagnetic?
“Pusha RH-10” is a hybrid variety of
In the following figure, the equivalent resistance between ‘A’ and ‘B’ will be
equivalent resistance between ‘A’ and ‘B’
Which gas is used in Electric Bulb?
The value of \(\frac{a}{(a-b)(a-c)} + \frac{b}{(b-c)(b-a)} + \frac{c}{(c-a)(c-b)}\) is
If points \((1, 2), (x, -1), (4, 5)\) are collinear, then the value of \(x\) is
The value of \(\cos 15^\circ - \sin 15^\circ\) is equal to