Class 11 Physics NCERT Solutions Chapter 8: Gravitation Question 1. Answer the following: (a) You can shield a charge from electrical forces by putting it inside a hollow conductor. Can you shield a body from the gravitational influence of nearby matter by putting it inside a hollow sphere or by some other means? (b) […]
Class 8 Maths NCERT Solutions Chapter 16: Playing with Numbers Ex – 16.1 Question 1. Find the values of the letters in each of the following and give reasons for the steps involved. Solution. 1. Here, there are two letters A and B whose values are to be found out. Let us see the
Class 8 Maths NCERT Solutions Chapter 15: Introduction to Graphs Ex – 15.1 Question 1. The following graph shows the temperature of a patient in a hospital, recorded every hour. (a) What was the patient’s temperature at 1 p.m.? (b) When was the patient’s temperature 38.5°C? (c) The patient’s temperature was the same two
Class 8 Maths NCERT Solutions Chapter 14: Factorisation Ex – 14.1 Question 1. Find the common factors of the given terms: Solution. Question 2. Factorise the following expressions: Solution. Question 3. Factorise: Solution. Â Ex – 14.2 Question 1. Factorise the following expressions: Solution. Question 2. Factorise: Solution. Question 3. Factorise the expressions: Solution. Question
Class 8 Maths NCERT Solutions Chapter 13: Direct and Indirect Proportions Ex – 13.1 Question 1. Following are the car parking charges near a railway station up to 4 hours ₹ 60 8 hours ₹ 100 12 hours ₹ 140 24 hours ₹ 180 Check if the parking charges are in direct proportion to
Class 8 Maths NCERT Solutions Chapter 12: Exponents and Powers Ex – 12.1 Question 1. Evaluate : (i) 3−2 (ii) −4−2 (iii) (1\2)−5 Solution. Question 2. Simplify and express the result in power notation with positive exponent. Solution. Question 3. Fmd the value of: Solution. Question 4. Evaluate (i) 8−1×532−4 (ii) (5−1×2−1)×6−1 Solution. Question 5. Find the value of
Class 8 Maths NCERT Solutions Chapter 11: Mensuration Ex – 11.1 Question 1. A square and a rectangular field with measurements as given in the figure have the same perimeter. Which field has a larger area? Solution. Area of the square field = a x a = 60 m x 60 m = 3,600
Class 8 Maths NCERT Solutions Chapter 1: Rational Numbers Ex – 1.1 Question 1. Using appropriate properties find: (i) −25×35+52−35×16 (ii) 25×(−37)−16×32+114×25 Solution. Question 2. Write the additive inverse of each of the following: Solution. (i) 28 Additive inverse of 28 is 28 (ii) −59 −6−5=65 Additive inverse of −6−5 is −65 (iii) −6−5 −6−5=65 Additive inverse of −6−5 is −65 (iv) 2−9 Additive inverse of 2−9 is 29 (v) 19−6 Additive inverse of  19−6 is 196
Class 8 Maths NCERT Solutions Chapter 2: Linear Equations in One Variable Ex – 2.1 Question 1. Solve the following equations: Solution. 1. x-2 = 7 2. y+3=10 3. 6=z+2 4. 37+x=177 5. 6x=12 6. t5=10 7. 2×3=18 8. 1.6=y1.5 9. 7x-9=16 10. 14y-8=13 11. 17+6p=9 12. x3+1=715 Ex – 2.2 Question 1. If you subtract 12 from a number and multiply the result 12 by you get 18 What is the
Class 8 Maths NCERT Solutions Chapter 3: Understanding Quadrilaterals Ex – 3.1 Question 1. Given here are some figures : Classify each of them on the basis of the following : (a) Simple curve (b) Simple closed curve (c) Polygon (d) Convex polygon (e) Concave polygon Solution. (a) ⟷ 1, 2, 5, 6, 7 (b) ⟷ 1, 2, 5, 6,
