1
MHT CET 2021 24th September Evening Shift
+1
-0

Which one of the following p-V diagram is correct for an isochoric process:

A
IV
B
II
C
III
D
I
2
MHT CET 2021 24th September Evening Shift
+1
-0

Assume that for solar radiation, surface temperature of the sun is $$6000 \mathrm{~K}$$. If Wien's constant 'b' is $$2.897 \times 10^{-3} \mathrm{~mK}$$, the value of maximum wavelength will be

A
4828$$\mathop A\limits^o$$
B
3648$$\mathop A\limits^o$$
C
6400$$\mathop A\limits^o$$
D
5890$$\mathop A\limits^o$$
3
MHT CET 2021 24th September Evening Shift
+1
-0

A metal sphere cools at the rate of $$1.5^{\circ} \mathrm{C} / \mathrm{min}$$ when its temperature is $$80^{\circ} \mathrm{C}$$. At what rate will it cool when its temperature falls to $$50^{\circ} \mathrm{C}$$. [Temperature of surrounding is $$30^{\circ} \mathrm{C}$$]

A
$$0.9^{\circ} \mathrm{C} / \mathrm{min}$$
B
$$0.6^{\circ} \mathrm{C} / \mathrm{min}$$
C
$$1.5^{\circ} \mathrm{C} / \mathrm{min}$$
D
$$1.2^{\circ} \mathrm{C} / \mathrm{min}$$
4
MHT CET 2021 24th September Evening Shift
+1
-0

A monoatomic gas is suddenly compressed to $$(1 / 8)^{\text {th }}$$ of its initial volume adiabatically. The ratio of the final pressure to initial pressure of the gas is $$(\gamma=5 / 3)$$

A
32
B
8
C
$$\frac{40}{3}$$
D
$$\frac{24}{5}$$
EXAM MAP
Medical
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