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Rajshree Chatterjee

Asked: December 21, 2023In: Class 10 Science

A student always sitting at the back of the bench rows in a class, who has difficulty in reading. What could name of his defect of vision? Could you draw ray diagrams to illustrate the image formation of his eyes, when he is seated at the (i) back seat and also (ii) front seat. Could you state two possible reasons of his defect of vision. Could you explain the method of correcting this defect with the help of a ray diagram, if possible.

CBSE Class 10 Science Sample Question Paper 2023-2024

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

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

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

Srushti

Asked: December 20, 2023In: Class 10 Science

The image of an object formed by a mirror is real, inverted and is of magnification -1. If the image is at the distance of 30 cm from the mirror, where is the object placed? Find the position of the image if the object is now moved 20 cm towards the mirror. What is the nature of the image obtained? Justify your answer with the help of ray diagram.

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

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