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Welcome to your NEET WEEKLY TEST PHYSICS (13.09.2025)
IMPORTANT INSTRUCTIONS
1. The test is of 90 minutes duration and Test Booklet contains 45 questions. Each question carried 4 marks for each correct response, the candidate will get 4 marks. For each incorrect response, one mark will be deducted from the total scores.2. Use of Cell phone/Electronics gadgets/Calculator etc. are not allowed.
PHYSICS
1. The image formed by a convex mirror of focal length 30 cm is a quarter of the object. What is the distance of the object from the mirror?1) 902) 603) -90 4) -60
2. An object is moving towards a concave mirror of focal length 24 cm. When it is at a distance of 60 cm from the mirror, its speed is 9cm/s. The speed of its image at that instant, is1) 4cm/s towards the mirror 2) 6cm/s towards the mirror 3) 4cm/s away from the mirror 4) 6cm/s away from the mirror
3. The focal length of a plano-convex lens is equal to its radius of curvature. The value of the refractive index of its material is1) 1.33 2) 1.63) 1.5 4) 2
4. Focal length of combination of two lenses is 1 m. The power of first lens is -10D and the other lens is 7D, then the first lens is1) Concave 2) Convex 3) Plano-concave 4) Plano-convex
5. In dispersion without deviation1) The emergent rays of all the colours are parallel to the incident ray 2) Yellow coloured ray is parallel to the incident ray 3) Only red coloured ray is parallel to the incident ray 4) All the rays are parallel, but not parallel to the incident ray
6. A thin prism produces an angular dispersion of 24. If the refracting angle of the prism is 3°, and the refractive index of the material of the prism for red colour is 1.55. What is the refractive index of its material for violet light?1) 1.55 2) 1.61 3) 1.683 4) 1.653
7. The angle of prism is 5° and its refractive indices for red and violet colours are 1.5 and 1.6 respectively. The angular dispersion produced by the prism is1) 7.75° 2) 5° 3) 0.5° 4) 0.17°
8. For a glass prism (μ=√3) the angle of minimum deviation is equal to the angle of the prism. Find the angle of the prism.1) 30° 2) 60° 3) 45° 4) 90°
9. A compound microscope is of magnifying power 100. The magnifying power of its eyepiece is 4. Find the magnification of its objective1) 252) 20 3) 154) 30
10. Astronomical telescope has two lenses of focal power 0.5D and 20D. Then its magnifying power is:1) 102) 20 3) 804) 40
11. A planet is observed by astronomical refracting telescope having an objective of focal length 16cm and an eyepiece of focal length 2cm.1) The distance between the objective and the eyepiece is 16.02 m 2) The angular magnification of the planet is −800 3) The image of the planet is inverted 4) The objective is larger than the eyepiece
1) 2.12×108ms−1 2) 1.12×108ms−13) 4.12×108ms−1 4) 5.12×108ms−1
1) 9:42) 1:√33) 1:3 √34) 3: √3
1) 4B2) 9B 3) 32B4) none of these
1). A-IV, B-III, C-II, D-I 2). A-III, B-II, C-I, D-IV3). A-II, B-IV, C-III, D-I 4). A-I, B-III, C-IV, D-II
1) 1.28 × 104 km 2) 6.4 × 103 km3) 3.2 × 103 km 4) 1.6 × 106 km
1) 02) 1.3 x 10-4T 3) 2.1 x 10-4T4) 6.0 x 10-4T
1) 0.4 m/s22) 3.2 m/s23) 0.32 m/s2 4) 0.04 m/s2
1) mv/n 2) mv2/n3) mvn24) mvn
1) 0.05 N s2) 0.85 N s3) – 0.85 N s4) – 0.05 N s
1) 9 N s2) 0.9 N s3) 3 N s4) 0.3 N s
1) 0 N2) 96 N3) 84 N4) 64 N
1) 0.16 m/s 2) 0.016 m/s3) 1.6 m/s 4) None
1) 39.2 m/s2) 4.9 m/s3) 04) 19.6 m/s
1) 6 s2) 0.6 s3) 60 s4) 3 s
1) 3.02 N s2) 4.14 N s3) 2.16 N s4) 5.02 N s
1) 100000 N 2) 400000 N3) 300000 N4) 200000 N
1) Ultraviolet2) Visible3) X-rays4) Infra-red
1) 2.6×10842) 2.6×10543) 2.6×1064 4) 2.6×1074
1) 104.7 MeV 2) 7.48 MeV3) 14.96 MeV4) 147.9 MeV
1) 45 μJ 2) 4.5 μJ3) 0.45 μJ 4) 450 μJ
1) Circle2) Circular disc3) Square4) Spherical