RRB JE PYQ 2025 CBT 1 PDF : Prepare for the RRB JE examination with previous year questions and question papers from RRB JE 2025 CBT 1. Practicing RRB JE 2025 CBT 1 PYQ PDF questions can help you become familiar with the question format, understand the level of questions, and improve your preparation through regular practice. Exam Date 2026 , 19 Feb, 20 Feb and 25 Feb & All 7 Shift.
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RRB JE 2025 CBT 1 PYQ
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RRB JE CBT 1 Question Paper 2025 PDF
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RRB JE Previous Year Question Paper CBT 1 with Solutions
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RRB JE 2025 Science PYQ
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RRB JE 2025 CBT 1 ALL SHIFT Question PaperRRB JE CBT1 PYQ • Free PDF Download
If a point is located below the principal axis of a spherical mirror, what sign is assigned to its perpendicular distance according to the sign convention for spherical mirrors?
RRB JE
20/02/2026 / 9:00 AM - 10:30 AM
2026
✓ Answer:DNegative
Work is W = F s cosθ. If there is no displacement, s = 0, so the work done is zero even if a force is applied.
42
An object of mass 3 kg initially at rest is subjected to a constant force of 9 N for 2 seconds. What will be its final velocity?
RRB JE
19/02/2026 / 12:45 PM - 2:15 PM
2026
✓ Answer:D6 m/s
Using F = ma, a = 9/3 = 3 m/s². From v = u + at, with u = 0 and t = 2 s, v = 6 m/s.
43
When an object is placed at the center of curvature (C) of a concave mirror, what is the nature of the image formed?
RRB JE
20/02/2026 / 9:00 AM - 10:30 AM
2026
✓ Answer:CReal and inverted
An incandescent bulb filament becomes extremely hot and emits visible light because of its high temperature. A normal room heater operates primarily to produce heat rather than visible light.
44
When a man pushes a wall but the wall does not move, what is the work done by the man on the wall?
RRB JE
19/02/2026 / 9:00 AM - 10:30 AM
2026
✓ Answer:AZero work is done as there is no displacement of the wall.
Work is W = F s cosθ. Since the wall does not move, displacement s = 0. Therefore, the work done on the wall is zero.
45
What does Snell's law of refraction state about the ratio of the sine of the angle of incidence to the sine of the angle of refraction for a given colour and pair of media?
RRB JE
19/02/2026 / 4:30 PM - 6:00 PM
2026
✓ Answer:CIt remains constant.
Snell's law states that for fixed media, sin i/sin r is constant for a given wavelength. This relation describes refraction at the boundary of two media.
46
What happens to the work done if the displacement becomes zero despite a force being applied?
RRB JE
20/02/2026 / 9:00 AM - 10:30 AM
2026
✓ Answer:CThe work done is zero.
In a parallel circuit, the current entering the junction equals the sum of currents through the branches, according to Kirchhoff's current law.
47
If a convex mirror forms a point-sized image at its focus, where is the object located?
RRB JE
19/02/2026 / 9:00 AM - 10:30 AM
2026
✓ Answer:AAt infinity
For a convex mirror, rays parallel to the principal axis appear to come from the focus behind the mirror. Thus, an object at infinity forms a highly diminished image at the focus.
48
A scientist wants to demonstrate that dispersion depends on wavelength. She shines monochromatic red light through a prism. What does she observe and why?
RRB JE
19/02/2026 / 4:30 PM - 6:00 PM
2026
✓ Answer:AOnly a single red ray emerges; no spectrum forms because there is only one wavelength
Red light is monochromatic, meaning it has essentially one wavelength. A prism may deviate it but cannot split it into a spectrum of different colours.
49
During a round-trip journey where a person walks to a location at 5 km/h and returns at 3 km/h, which statement about average speed is correct?
RRB JE
20/02/2026 / 9:00 AM - 10:30 AM
2026
✓ Answer:CAverage speed will be less than the arithmetic mean of 5 km/h and 3 km/h.
Average speed = total distance ÷ total time. Because the outward and return speeds are different, the average speed is not the simple average of 5 and 3 km/h.
50
A physicist uses a convex lens to focus sunlight onto a piece of paper and notices the smallest, brightest spot forms at a certain distance from the lens. Which property of the lens does this experiment help to determine?
RRB JE
19/02/2026 / 9:00 AM - 10:30 AM
2026
✓ Answer:DThe experiment helps to determine the focal length of the lens.
A convex lens converges parallel rays of sunlight at its principal focus. The distance between the optical centre and this point is the focal length, so the experiment measures focal length.
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