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

A beam of light of wavelength $$600 \mathrm{~nm}$$ from a distant source falls on a single slit $$1 \mathrm{~mm}$$ wide and the resulting diffraction pattern is observed on a screen $$2 \mathrm{~m}$$ away. The distance between the first dark fringe on either side of the central bright fringe is

A
1.2 mm
B
2.4 mm
C
1.2 cm
D
2.4 cm
2
MHT CET 2023 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

An electron of mass '$$\mathrm{m}$$' and charge '$$\mathrm{q}$$' is accelerated from rest in a uniform electric field of strength '$$E$$'. The velocity acquired by the electron, when it travels a distance '$$\mathrm{L}$$', is

A
$$\sqrt{\frac{2 q \mathrm{~m}}{\mathrm{~mL}}}$$
B
$$\sqrt{\frac{2 \mathrm{qEL}}{\mathrm{m}}}$$
C
$$\sqrt{\frac{2 \mathrm{Em}}{\mathrm{qL}}}$$
D
$$\sqrt{\frac{\mathrm{qE}}{\mathrm{mL}}}$$
3
MHT CET 2023 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Two bodies have their moments of inertia I and 2I respectively about their axis of rotation. If their kinetic energies of rotation are equal, their angular momenta will be in the ratio

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

A ball kept at $$20 \mathrm{~m}$$ height falls freely in vertically downward direction and hits the ground. The coefficient of restitution is 0.4. Velocity of the ball first rebound is $$\left[\mathrm{g}=10 \mathrm{~ms}^{-2}\right]$$

A
$$4 \mathrm{~ms}^{-1}$$
B
$$8 \mathrm{~ms}^{-1}$$
C
$$12 \mathrm{~ms}^{-1}$$
D
$$16 \mathrm{~ms}^{-1}$$
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