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Kiara Singh

Asked: December 21, 2023In: Class 10 Science

Why do more and more people prefer to use condoms? What is the principle behind use of condoms?

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

Kiara Singh

Asked: December 21, 2023In: Class 10 Science

a) Explain why carbon forms covalent bond? Carbon forming a large number of compounds – Give Two reasons. b) The formation of ammonia molecule – Explain.

2024 CBSE Class 10 Science Sample Question Paper SQP download with solutions

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

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