Class 10 Science Terminal Exams MCQ Solutions Class X Science MCQ Extra Questions Answers 10th Science Terminal Exam Based MCQ Extra Questions Class 10th Science CBSC Sample paper

The focal length of the mirror is the distance between the pole of the mirror & the screen where the clear image of the distant object is formed. As the mirror stand is at 10cm & screen is at 40 ...

The power of combination of two lenses is P = P₁ + P₂, Where P₁ is the power of the convex lens of focal length 20 cm & P₂ is power of concave lens of focal length of 25 cm.

Slope ( = tan ϴ), displacement time graph shows velocity: V₁/V₂ = tan ϴ₁ / tan ϴ₂ = tan 30°/ tan 60° = 1/√3 / √3 = 1/3 = 1:3

% Change = Δ p/p x 100 = 4p – p/p x 100 = 300 % (2 m . 2v = 4 mv = 4 p)

Homogeneous mixture have uniform distribution whereas heterogeneous mixture does not have uniform composition. a) Carbon dioxide gas dissolved in water is a homogeneous mixture. b) Air containing suspended particles is heterogeneous mixture. c) Soap bubbles formed by blowing air into ...

Class 9th Science Session 2022-23 Class 9 Science Terminal Exams MCQ Solutions 9th Science Terminal Exam Based MCQ Extra Questions Class IX Science MCQ Extra Questions Answers