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CBSE Class 10 Pre Board 2022 : Science (Vibgyor Rise)

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VIBGYOR RISE Preliminary Examination 2021-2022 SCIENCE Grade: X Max. Marks :40 Date: 4/10/2021 Time Allowed: 90min INSTRUCTIONS: This question paper contains 50 questions. All Questions are compulsory. Write the correct option in the space provided. At any time during the test you can change your answer. The intended marks for the questions are given alongside the questions. Click the "submit" button to submit your paper only after you have completed and verified your paper. Q1) 1. Multiple Choice Questions: [7] A light ray is incident on a rectangular glass slab makes an angle of 30 with [1] the surface of the slab. The angle between the ray coming out of the slab and the normal to the face of rectangular slab from which it comes out is a) 90 b) 30 c) 60 d) 0 2. The bluish colour of water in deep sea is due to a) the presence of algae and other plants found in water b) reflection of sky in water c) absorption of light by the sea d) scattering of light 1 [1]

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