1
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

A photon and an electron have equal energy ' $E$ '. The ratio of wavelength of photon to wavelength of electron is proportional to

A

$\frac{1}{\mathrm{E}}$

B

$\sqrt{E}$

C

E

D

$\frac{1}{\sqrt{\mathrm{E}}}$

2
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

A passenger is sitting in a train which is moving fast. The engine blows a whistle of frequency ' n '. If the apparent frequency of sound heard by the passenger is $n^1$ then

A

$\mathrm{n}^1 \leq \mathrm{n}$

B

n $^1<$ n

C

$n^1>n$

D

$n^1=n$

3
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

If the shape of the liquid surface is curved, then the

A

pressure on the convex side is equal to the atmospheric pressure.

B

pressure on the convex side is equal to the pressure on the concave side.

C

pressure on the concave side is greater than that on the convex side.

D

pressure on the concave side is lesser than that on the convex side.

4
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

' n ' polarising sheets are arranged such that each makes an angle $45^{\circ}$ with the proceeding sheet. An unpolarised light of intensity I is incident into this arrangement. The output intensity is I/ 64 . The value of $n$ will be $\left(\cos 45^{\circ}=1 / \sqrt{2}\right)$

A

6

B

5

C

4

D

8