1
MHT CET 2023 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A transverse wave in a medium is given by $$y=A \sin 2(\omega t-k x)$$. It is found that the magnitude of the maximum velocity of particles in the medium is equal to that of the wave velocity. What is the value of $$A$$ ?

A
$$\frac{2 \lambda}{\pi}$$
B
$$\frac{\lambda}{\pi}$$
C
$$\frac{\lambda}{2 \pi}$$
D
$$\frac{\lambda}{4 \pi}$$
2
MHT CET 2023 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The radius of the orbit of a geostationary satellite is (mean radius of earth is '$$R$$', angular velocity about own axis is '$$\omega$$' and acceleration due to gravity on earth's surface is '$$g$$')

A
$$\left(\frac{\mathrm{gR}^2}{\omega^2}\right)^{\frac{1}{3}}$$
B
$$\left(\frac{\mathrm{gR}^2}{\omega^2}\right)^{\frac{2}{3}}$$
C
$$\left(\frac{\mathrm{gR}^2}{\omega^2}\right)^{\frac{1}{2}}$$
D
$$\frac{\mathrm{gR}^2}{\omega^2}$$
3
MHT CET 2023 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

According to Bohr's theory of hydrogen atom, the total energy of the electron in the $$\mathrm{n}^{\text {th }}$$ stationary orbit is

A
directly proportional to $$n$$
B
inversely proportional to $$n$$
C
directly proportional to $$\mathrm{n}^2$$
D
inversely proportional to $$\mathrm{n}^2$$
4
MHT CET 2023 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

In a series LCR circuit, $$\mathrm{C}=2 \mu \mathrm{F}, \mathrm{L}=1 \mathrm{mH}$$ and $$\mathrm{R}=10 \Omega$$. The ratio of the energies stored in the inductor and the capacitor, when the maximum current flows in the circuit, is

A
$$5: 1$$
B
$$3: 2$$
C
$$1: 2$$
D
$$1: 5$$
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