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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

Subham Kumar

Asked: December 19, 2023In: Class 10 Science

Noopur needs a lens of power -4.5D for correction of her vision. a) What kind of defect in vision is she suffering from? b) What is the focal length and nature of the corrective lens? c) Draw ray diagrams showing the (a) defected eye and (b) correction for this defect. d) What are the causes of this defect?

CBSE class 10 science sample question paper 2023-2024 free download

Subham Kumar

Asked: December 19, 2023In: Class 10 Science

“Both overproduction and underproduction of Growth hormone leads to disorders in the body.” Explain.

cbse class 10 science sample question paper 2023-24

Subham Kumar

Asked: December 19, 2023In: Class 10 Science

Our government launches campaigns to provide information about AIDS prevention, testing and treatment by putting posters, conducting radio shows and using other agencies of advertisements. a) To which category of diseases AIDS belong? Name its causative organism. b) Which kind of value is government trying to develop in the citizens by conducting the above kind of programs.

Class 10 CBSE science sample question paper 2023-2024

Subham Kumar

Asked: December 19, 2023In: Class 10 Science

A compound which is prepared from gypsum has the property of hardening when mixed with a proper quantity of water. Identify the compound and write its chemical formula. Write the chemical equation for its preparation. Mention any one use of the compound.

NCERT, CBSE Class 10 Science sample question paper 2023-2024

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