SAT (Stage-2) M...

A man tries to remain in equilibrium by pushing his hands and feet against two parallel walls. For equilibrium,

The kinetic energy of a body becomes four times its initial value while travelling along a straight line. The new momentum will be

If a man approaches a plane mirror at the rate of 2 km/hr, then his image would approach him at the rate of

When will the magnifying power of an astronomical telescope be increased?

A ray of light strikes a thick parallel sided glass slab with an angle of incidence of 40°. The angle of the beam emerging from the other side of the slab with the normal is

Which of the following curves best represents the variation of density of water with temperature?

In case of uniform circular motion, the acceleration is

A string A has double the length, double the tension, double the diameter and double the density than string B. The ratio of their fundamental frequencies of vibration (n_A and n_B) is

Which of the following processes is called chloralkali process?

Which of the following has the highest pH value?

The number of atoms present in 112 grams of N₂ is

What is the mass in grams of 2.5 moles of slaked lime [Ca(OH)₂]?
(Atomic masses: Ca = 40 g, O = 16 g and H = 1 g)

Which of the following statements is incorrect?

Which of the following statements about a compound are correct?

A. It is a homogeneous mixture of two or more elements.
B. It is a new substance, different from the combining elements.
C. The combining elements in a compound are always in a fixed ratio by mass.
D. The formula of a compound is fixed.

Atoms of an element differ from atoms of all the other elements in