Sonal Chauhan – Followed – Page 157 – Discussion Forum

Sign Up

Sign In

Forgot Password

Lost your password? Please enter your email address. You will receive a link and will create a new password via email.

You must login to ask question.

You must login to ask question.

Search

Ask A Question

Sonal Chauhan

Ask Sonal Chauhan

1Follower

Kiara Singh

Asked: December 19, 2023In: Class 10 Science

Pertaining to endocrine system, what will you interpret if- i) You observe swollen neck in people living in the hills ii) Over secretion of Growth Hormone takes place during childhood iii) Facial hair develops in boys aged 13.

CBSE Science Class 10 sample question paper with solution 2023-2024

Kiara Singh

Asked: December 19, 2023In: Class 10 Science

‘Sweet tooth may lead to tooth decay’. Explain why? What is the role of tooth paste in preventing cavities?

Rationalised syllabus CBSE NCERT Science Class 10 sample question paper with solution 2023-2024

Rajshekhar

Asked: December 18, 2023In: Class 10 Science

Mention any one point of difference between Pepsin and Trypsin.

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

Rajshekhar

Asked: December 18, 2023In: Class 10 Science

A student obtained a sharp image of a lighted candle on a screen using a convex lens. Now he wants to focus a distant lamp on a far away electric pole. In which direction should the lens be moved for this purpose with respect to the screen, to get a sharp image on the screen? Justify your answer.

Class 10 CBSE science sample question paper and answer free download 2023-2024

Rajshekhar

Asked: December 18, 2023In: Class 10 Science

(i) Rohit claims to have obtained an image twice the size of object with a concave lens. Is he correct? Give reason for your answer. (ii) Where should an object be placed in case of a convex lens to form an image of same size as of the object? Show with the help of ray diagram the position and the nature of the image formed. (iii) With the help of ray diagram, illustrate the change in position, nature and size of the image formed if the convex lens in case of (ii) is replaced by concave lens of same focal length.

NCERT, CBSE Class 10 science sample question paper 2023-2024 free download

1 … 156 157 158 … 161