1
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+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$$\mathop A\limits^o $$
2
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

The kinetic energy of a light body and a heavy body is same. Which one of them has greater momentum?

A
A body having high velocity.
B
Heavy body.
C
Light body.
D
A body having large displacement.
3
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Four electric charges $$+\mathrm{q},+\mathrm{q},-\mathrm{q}$$ and $$-\mathrm{q}$$ are placed in order at the corners of a square of side $$2 \mathrm{~L}$$. The electric potential at point midway between the two positive charges is

A
$$\frac{1}{4 \pi \epsilon_0} \frac{2 \mathrm{q}}{\mathrm{L}}(1-\sqrt{5})$$
B
zero
C
$$\frac{1}{4 \pi \epsilon_0} \frac{2 q}{L}\left(1+\frac{1}{\sqrt{5}}\right)$$
D
$$\frac{1}{4 \pi \epsilon_0} \frac{2 q}{L}\left(1-\frac{1}{\sqrt{5}}\right)$$
4
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

White light consists of wavelengths from $$480 \mathrm{~nm}$$ to $$672 \mathrm{~nm}$$. What will be the wavelength range when white light is passed through glass of refractive index 1.6?

A
$$420 \mathrm{~nm}-672 \mathrm{~nm}$$
B
$$300 \mathrm{~nm}-480 \mathrm{~nm}$$
C
$$300 \mathrm{~nm}-420 \mathrm{~nm}$$
D
$$300 \mathrm{~nm}-672 \mathrm{~nm}$$
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