CUET PG 14th March 2024 Shift 2 Physics

The door of a running refrigerator inside a room is left open. Choose the incorrect statements:
(A) the room will be cooled slightly
(B) the room will be warmed up gradually
(C) the room will be cooled to the temperature inside the refrigerator
(D) the temperature of the room will remain unaffected

Choose the correct answer from the options given below:

The equation $$(x^{2}y - 2xy^{2})dx + 3x^{2}y - x^{3} = 0$$

(A . is exact.
(B). is inexact.
(C). The solution is $$\frac{y}{x} - 2 \log x + 3 \log y = Constant$$
(D). he solution is $$\frac{x}{y} - 2 \log x + 3 \log y = Constant$$

Choose the correct answer from the option given below.

The argument of (- 1 - i) is

In sound waves, which property is determined by the amplitude of the wave?

A and B are two matrices of the same order. If AB = 0 and BA # 0, then necessarily
(A). $$A = 0$$
(B). $$A \neq 0$$
(C). $$B = 0$$
(D). $$B \neq 0$$

Choose the correct answer from the options given below: