Day 35: CBSE Class 10 Science

5 questions. Try each one first, then open its answer.

Question 1
The Human Eye and the Colourful World. Asked 2 times: 2023*, 2024 (* = numbers or wording changed that year)
13 $The Phenomena of light involved in the formation of a rainbow in the sky are$
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Question 2
The Human Eye and the Colourful World. Asked 2 times: 2023*, 2024 (* = numbers or wording changed that year)
32 $A narrow beam, PQ of white light is passing through a glass prism ABC as shown in the diagram. Draw a ray diagram to show the emergent beam as it falls on the screen DE. Also write the phenomenon involved and its cause. Using the second law of refraction state which colour of light must have the highest value of refractive index amongst seven visible colours of light. Justify your answer.$
Question 3
The Human Eye and the Colourful World. Asked 2 times: 2023*, 2024 (* = numbers or wording changed that year)
Two statements are given, one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer from the options given below.
19 $Assertion (A) : Myopic eye cannot see distant objects distinctly. Reason (R) : For the correction of myopia converging lenses of appropriate power are prescribed by eye-surgeons.$
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Question 4
The Human Eye and the Colourful World. Asked 2 times: 2023*, 2024 (* = numbers or wording changed that year)
25 $What would have been the colour of the sky, if the Earth had no atmosphere ? Give reason to justify your answer.$
Question 5
Magnetic Effects of Electric Current. Asked 2 times: 2022*, 2023 (* = numbers or wording changed that year)
16 $An alpha particle enters a uniform magnetic field as shown. The direction of force experienced by the alpha particle is :$
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Question 1

Question 2

Question 3

Question 4

Question 5