1
TS EAMCET 2023 (Online) 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The spinning of the Diwali cracker 'ground chakkar' involves the concept of

A
conservation of mechanical energy
B
conservation of linear momentum
C
conservation of angular momentum
D
conservation of charge
2
TS EAMCET 2023 (Online) 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A clock is designed based on the oscillation of a spring-block system suspended vertically in the absence of air-resistance. Assume it shows the correct time when a spring of stiffness $k$ and block is mass $m$ are used. If the block is replaced by another block of mass $4 m$, choose the correct option

A
The clock runs slow by 0.5 s for every second
B
The clock runs fast by 0.5 s for every one second
C
The clock runs fast by 1 s for every one second
D
The clock runs slow by 1 s for every one second
3
TS EAMCET 2023 (Online) 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A body of mass 6 kg is moving with a uniform velocity $4 \mathrm{~ms}^{-1}$. Its velocity changes to $6 \mathrm{~ms}^{-1}$ when a force of 12 N acts on it. Then its displacement is

A
3 m
B
5 m
C
8 m
D
12 m
4
TS EAMCET 2023 (Online) 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The ratio of the radii of two planets is $r$ and the ratio of accelerations due to gravity on the planets is $x$. Then the ratio of the escape velocities from the planets is
A
$x r$
B
$\sqrt{\frac{r}{x}}$
C
$\sqrt{\sqrt{x}}$
D
$\sqrt{\frac{x}{r}}$
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