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Prasant

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Prasant

Asked: December 22, 2023In: Class 10 Science

Create a terrestrial food chain depicting four trophic levels. Why do we not find food chains of more than four trophic levels in nature?

CBSE class 10 science sample question paper 2023-2024

Prasant

Asked: December 21, 2023In: Class 10 Science

i) What is meant by power of a lens? (ii) You have three lenses L1, L2 and L3 of powers +10D, +5D and -10D respectively. State the nature and focal length of each lens. (iii) Explain which of the three lenses will form a virtual and magnified image of an object placed at 15 cm from the lens. (iv) Draw the ray diagram in support of your answer.

CBSE Class 10 Science Sample Question Paper new 2023-2024 with Solutions

Prasant

Asked: December 21, 2023In: Class 10 Science

Two lamps, one rated 100 W at 220 V and the other 200 W at 220V are connected (i) in series and (ii) in parallel to electric main supply of 220V. Find the current drawn in each case.

Rationalised syllabus CBSE Class 10 Science Sample Question Paper 2023-2024

Prasant

Asked: December 21, 2023In: Class 10 Science

The figure below shows three cylindrical copper conductors along with their face areas and lengths. Compare the resistance and the resistivity of the three conductors. Justify your answer.

The figure below shows three cylindrical copper conductors along with their face areas and lengths. Compare the resistance and the resistivity of the three conductors. Justify your answer.

CBSE Class 10 Science Sample Question Paper new 2023-2024 with Solutions

Prasant

Asked: December 21, 2023In: Class 10 Science

The flow of energy between various or many components of the environment has been extensively studied. List four findings.

CBSE Science Class 10 SQP, Sample Question Paper 2023-2024

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