1
MHT CET 2024 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The escape velocity from earth surface is $11 \mathrm{~km} / \mathrm{s}$. The escape velocity from a planet having twice the radius and same mean density as earth is

A
22 km/s
B
11 km/s
C
5.5 km/s
D
15.5 km/s
2
MHT CET 2024 4th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

If ' $R$ ' is the radius of earth \& ' $g$ ' is acceleration due to gravity on earth's surface, then mean density of earth is

A
$\frac{4 \pi G}{3 g R}$
B
$\frac{3 \pi R}{4 g G}$
C
$\frac{3 \mathrm{~g}}{4 \pi \mathrm{RG}}$
D
$\frac{\pi R G}{12 \mathrm{~g}}$
3
MHT CET 2024 4th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The height ' $h$ ' above the earth's surface at which the value of acceleration due to gravity $(\mathrm{g})$ becomes $\left(\frac{\mathrm{g}}{3}\right)$ is ( $\mathrm{R}=$ radius of the earth)

A
$(\sqrt{3}+1) R$
B
$(\sqrt{3}-1) R$
C
$\sqrt{3} \mathrm{R}$
D
$3 \sqrt{R}$
4
MHT CET 2024 3rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The height at which the weight of the body becomes $\frac{1^{\text {th }}}{16}$ of its weight on the surface of the earth of radius ' $R$ ' is

A
2 R
B
3 R
C
4 R
D
5 R
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