RRB Group D 2025 Question Paper (13-Aug-2026) (Shift 1)

Question 1

Metals of medium reactivity are generally found in the form of which compounds?

Accepted Answer

Oxides, sulphides, or carbonates

Answer

Nitrides, fluorides, or bromides

Answer

Chlorides, silicates, or phosphates

Answer

Peroxides, hydrides, or cyanides

Question 2

A student places an object 20 cm in front of a concave mirror with a focal length of 10 cm, using the sign convention for spherical mirrors. What is the correct value and sign for the image distance?

Accepted Answer

-20 cm

Answer

-10 cm

Answer

+20 cm

Answer

+10 cm

Question 3

Which of the following mixtures is NOT homogeneous?

Accepted Answer

Oil and water

Answer

Vinegar

Answer

Salt water

Answer

Air

Question 4

A student constructs a circuit with a battery of 12 V and two resistors of 6 ohms and 4 ohms connected in series. What is the total current flowing through the circuit according to Ohm's Law?

Accepted Answer

1.2 A

Answer

0.6 A

Answer

2.0 A

Answer

1.0 A

Question 5

Which part of the human eye controls the amount of light entering the eye?

Accepted Answer

Iris

Answer

Retina

Answer

Optic Nerve

Answer

Cornea

RRB Group D 2025 Question Paper (13-Aug-2026) (Shift 1)

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