1
MHT CET 2024 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A ray of light is incident at $60^{\circ}$ on one face of a prism of angle $30^{\circ}$ and the emergent ray makes $30^{\circ}$ with the incident ray. The refractive index of the prism is $\left(\sin 30^{\circ}=0 \cdot 5, \sin 60^{\circ}=\sqrt{3} / 2\right)$

A
1.732
B
1.414
C
1.5
D
1.33
2
MHT CET 2024 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Given that ' $x$ ' joule of heat is incident on a body. Out of that, total heat reflected and transmitted is ' $y$ ' joule. The absorption coefficient of body is

A
$\frac{x}{y}$
B
$\frac{y}{x}$
C
$\frac{x-y}{x}$
D
$\frac{y-x}{x}$
3
MHT CET 2024 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

In the uranium radioactive series, the initial nucleus is ${ }_{92}^{238} \mathrm{U}$ and that the final nucleus is ${ }_{82}^{206} \mathrm{~Pb}$. When uranium nucleus decays into lead, the number of $\alpha$-particles and $\beta$-particles emitted are

A
$4 \alpha, 5 \beta$
B
$5 \alpha, 3 \beta$
C
$6 \alpha, 7 \beta$
D
$8 \alpha, 6 \beta$
4
MHT CET 2024 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

When photons of energy hv fall on a photosensitive surface of work function $\mathrm{E}_0$, photoelectrons of maximum energy $k$ are emitted. If the frequency of radiation is doubled the maximum kinetic energy will be equal to ( $\mathrm{h}=$ Planck's constant)

A
k
B
2 k
C
$\mathrm{k}+\mathrm{E}_0$
D
$\mathrm{k}+\mathrm{h} \nu$
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