RRB Group D 2024 Question Paper (24-Dec-2025) (Shift-3)

Question 1

When a raised hammer falls on a nail and drives it into wood, the work done by the force of the hammer on the nail is positive. In this same scenario, which statement would describe negative work?

Accepted Answer

The work done by the force exerted by the nail on the hammer.

Answer

The work done by the force of gravity acting on the nail as it moves into the woo

Answer

The work done by the potential energy stored in the hammer.

Answer

The work done by the force of gravity acting on the hammer as it falls.

Question 2

Which device relies on the heating effect of current to protect circuits and appliances by intentionally melting to break the circuit when the current exceeds a specified limit?

Accepted Answer

Electric fuse

Answer

Electric iron coil

Answer

Electric bulb filament

Answer

Rheostat

Question 3

Which of the following correctly describes the relation between frequency ($v$) and time period ($T$)?

Accepted Answer

$vT = 1$

Answer

$v+T=1$

Answer

$\frac{v}{T}=1$

Answer

$vT = 0$

Question 4

Spring balance A is attached at one end to spring balance B, whose other end is fixed to a rigid support. A force is applied to the free end of spring balance Both balances show the same reading. What does this observation indicate?

Accepted Answer

The force exerted by A on B is equal and opposite to the force exerted by B on

Answer

Both balances exert forces in the same direction.

Answer

Only spring balance A exerts force on

Answer

The force exerted by A on B is greater than that by B on

Question 5

Which of the following statements correctly describes plastids in plant cells?

Accepted Answer

They are present only in plant cells and absent in animal cells

Answer

They are present only in animal cells and absent in plant cells

Answer

They are found in prokaryotic cells like bacteria for photosynthesis

Answer

They are present in both plant and animal cells in equal amount

RRB Group D 2024 Question Paper (24-Dec-2025) (Shift-3)

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