1
MHT CET 2023 13th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A sample of oxygen gas and a sample of hydrogen gas both have the same mass, same volume and the same pressure. The ratio of their absolute temperature is

A
$$1: 4$$
B
$$4: 1$$
C
$$1: 16$$
D
$$16: 1$$
2
MHT CET 2023 13th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If two planets have their radii in the ratio $$x: y$$ and densities in the ratio $$m: n$$, then the acceleration due to gravity on them are in the ratio

A
$$\frac{n y}{m x}$$
B
$$\frac{m y}{n x}$$
C
$$\frac{n x}{m y}$$
D
$$\frac{m x}{n y}$$
3
MHT CET 2023 13th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

An excited hydrogen atom emits a photon of wavelength $$\lambda$$ in returning to ground state. The quantum number $$n$$ of the excited state is ($$R=$$ Rydberg's constant)

A
$$\sqrt{\lambda R(\lambda R-1)}$$
B
$$\sqrt{\frac{\lambda R}{(\lambda R-1)}}$$
C
$$\sqrt{\frac{(\lambda R-1)}{\lambda R}}$$
D
$$\sqrt{\frac{1}{\lambda R(\lambda R-1)}}$$
4
MHT CET 2023 13th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

There is hole of area $$A$$ at the bottom of a cylindrical vessel. Water is filled to a height $$h$$ and water flows out in $$t$$ second. If water is filled to a height $$4 h$$, it will flow out in time (in second)

A
$$t$$
B
$$4 t$$
C
$$2 t$$
D
$$t / 4$$
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