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Subham Kumar

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Subham Kumar

Asked: December 16, 2023In: Class 10 Science

What are isomers? “Isomers of the first three members of alkane series are not possible”. Give reason to justify this statement and draw structures of two isomers of butane, C4 H10.

NCERT CBSE class 10 science sample question paper 2023-2024

Subham Kumar

Asked: December 16, 2023In: Class 10 Science

When a concave mirror is placed facing Sunlight, the Sun’s rays or sun light converge to a point 10 cm from the mirror. Now, if you place 2 cm long candles flame 20 cm away on the principal axis of the mirror, where would you specify a place a screen to obtain the image of the candle? What would see the size of a image? Draw a ray diagram to justify your answer.

CBSE Class 10 science sample question paper for board exam 2023-2024

Subham Kumar

Asked: December 16, 2023In: Class 10 Science

List two secondary sexual characters of males that are different from that of females.

CBSE Class 10 Science sample question paper 2023-2024

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