1
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

In photoelectric effect, the photocurrent

A
decreases with increase in frequency of incident photon.
B
increases with increase in frequency of incident photon.
C
does not depend on the frequency of photon but depends only on the intensity of incident light.
D
depends both on intensity and frequency of incident radiation.
2
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The average force applied on the wall of a closed container depends as $\mathrm{T}^{\mathrm{x}}$ where T is the temperature of an ideal gas. The value of $x$ is

A
0.5
B
1
C
2
D
1.5
3
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

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

A
$\frac{1}{4 \pi \mathrm{E}_0} \frac{2 \mathrm{q}}{\mathrm{L}}\left(1+\frac{1}{\sqrt{5}}\right)$
B
$\frac{1}{4 \pi \mathrm{E}_0} \frac{2 \mathrm{q}}{L}\left(1-\frac{1}{\sqrt{5}}\right)$
C
$\frac{1}{4 \pi \mathrm{E}_0} \frac{2 \mathrm{q}}{\mathrm{L}}(1-\sqrt{5})$
D
$\frac{1}{4 \pi \mathrm{E}_0} \frac{2 \mathrm{q}}{\mathrm{L}}(1+\sqrt{5})$
4
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Electron of mass ' $m$ ' and charge ' $q$ ' is travelling with speed ' $v$ ' along a circular path of radius ' $R$ ' at right angles to a uniform magnetic field of intensity ' B '. If the speed of the electron is halved and the magnetic field is doubled, the resulting path would have radius

A
$\frac{\mathrm{R}}{2}$
B
$\frac{\mathrm{R}}{4}$
C
2R
D
4R
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