1
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

The equation of simple harmonic progressive wave is given by $y=A \sin (100 \pi t-4 x)$. The distance between two particles having a phase difference of $\left(\frac{\pi}{4}\right)^c$ is

A
$\frac{\pi}{18} \mathrm{~m}$
B
$\frac{\pi}{16} \mathrm{~m}$
C
$\frac{\pi}{9} \mathrm{~m}$
D
$\frac{\pi}{3} \mathrm{~m}$
2
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

A photon and an electron have an equal energy ' E '. The ratio of wavelength ' $\lambda_{\mathrm{p}}$ ' of photon to that of electron ' $\lambda_{\mathrm{e}}$ ' is proportional to

A
$\sqrt{\mathrm{E}}$
B
$\frac{1}{\sqrt{\mathrm{E}}}$
C
$\frac{1}{E}$
D
E
3
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

The height at which the acceleration due to gravity becomes $\frac{g}{4}$ in terms of $R$ is $[R=$ the radius of the earth $]$

A
$\frac{R}{\sqrt{2}}$
B
R
C
$\sqrt{2} R$
D
$2 R$
4
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

In a biprism experiment, fifth dark fringe is obtained at a point. A thin transparent film of refractive index ' $\mu$ ' is placed in one of the interfering paths. Now $7^{\text {th }}$ bright fringe is obtained at the same point. If ' $\lambda$ ' is the wavelength of light used, the thickness of film is equal to

A
$1.5(\mu-1) \lambda$
B
$\frac{1.5 \lambda}{(\mu-1)}$
C
$\quad 2.5(\mu-1) \lambda$
D
$\frac{2.5 \lambda}{(\mu-1)}$
EXAM MAP