Recent questions tagged cbse

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A current of 10 A flows through a conductor for two minutes. (i) Calculate the amount of charge passing through

asked Nov 13, 2023 in Science by Kabita (6.6k points)

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An object is placed at a distance of 60 cm from a concave lens of focal length 30 cm.

asked Nov 13, 2023 in Science by Kabita (6.6k points)

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A 4 cm tall object is placed perpendicular to the principal axis of a convex lens of focal length 20 cm.

asked Nov 13, 2023 in Science by Kabita (6.6k points)

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Given below are some disorders noticed in some patients. It could it be due to malfunctioning of which part of brain

asked Nov 13, 2023 in Science by Kabita (6.6k points)

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State any three reasons to justify the use of contraceptive methods.

asked Nov 13, 2023 in Science by Priya (33.3k points)

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Metal ‘A’ is used in the thermite process as a reducing agent. When ‘A’ is heated with oxygen it gives an oxide

asked Nov 13, 2023 in Science by Priya (33.3k points)

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Sakshi was comparing the reactivity of different metals for her science project. She added iron filings in four test

asked Nov 13, 2023 in Science by Priya (33.3k points)

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Marked decline in the thickness of ozone layer was noticed in the 1980s. Which human activity can be held accountable

asked Nov 12, 2023 in Science by Priya (33.3k points)

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State the rule to determine the direction of the force experienced by a current-carrying straight conductor placed

asked Nov 12, 2023 in Science by Priya (33.3k points)

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Imagine a current carrying circular loop of wire on the plane of your answer sheet. The magnetic field inside the loop

asked Nov 12, 2023 in Science by Priya (33.3k points)

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Give reasons for the following: (a) Red traffic signals can be seen from a very long distance.

asked Nov 12, 2023 in Science by Priya (33.3k points)

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What is the advantage of having a four-chambered heart in birds and mammals?

asked Nov 12, 2023 in Science by Priya (33.3k points)

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Amount of urine produced generally decreases in summers as compared to other seasons if we don't keep ourselves