Question Answers

A two-wheeler covers a distance of 55.3 km in one litre of petrol. How much distance will it cover in 10 litres of petrol? A two-wheeler covers a distance of 55.3 km in one litre of petrol. How much distance will it cover in 10 litres of petrol? October 7, 2020 Category: Chapter 2 - [...]

Find: (xi) 0.9 x 100 (xii) 0.03 x 1000 Find: (xi) 0.9 x 100 (xii) 0.03 x 1000 October 7, 2020 Category: Chapter 2 - Fraction and Decimals , Maths , NCERT Class 7 ,

Find: (v) 31.1 × 100 (vi) 156.1 × 100. (vii) 3.62 × 100 (viii) 43.07 × 100 Find: (v) 31.1 × 100 (vi) 156.1 × 100. (vii) 3.62 × 100 (viii) 43.07 × 100 October 7, 2020 Category: Chapter 2 - Fraction and Decimals , Maths , NCERT Class 7 ,

Find: (ix) 0.5 × 10. (x) 0.08 × 10 Find: (ix) 0.5 × 10. (x) 0.08 × 10 October 7, 2020 Category: Chapter 2 - Fraction and Decimals , Maths , NCERT Class 7 ,

For an isosceles prism of angle A and refractive index mu, it is found that the angle of minimum deviation delta m = A. Which of the following options is/are correct? For an isosceles prism of angle A and refractive index mu it is found that the angle of minimum deviation delta m = A. [...]

Find: (i) 1.3 × 10 (ii) 36.8 × 10 (iii) 153.7 ×10. (iv) 168.07 × 10 Find: (i) 1.3 × 10 (ii) 36.8 × 10 (iii) 153.7 ×10. (iv) 168.07 × 10 October 7, 2020 Category: Chapter 2 - Fraction and Decimals , Maths , NCERT Class 7 ,

A transparent slab of thickness d has a refractive index n(z) that increases with z. Here z is the vertical distance inside the slab, measured from the top. The slab is placed between two media A transparent slab of thickness d has a refractive index n(z) that increases with z. Here z is the vertical [...]

Find the area of rectangle whose length is 5.7cm and breadth is 3cm. Find the area of rectangle whose length is 5.7cm and breadth is 3cm. October 7, 2020 Category: Chapter 2 - Fraction and Decimals , Maths , NCERT Class 7 ,

A ray OP of monochromatic light is incident on the face AB of prism ABCD near vertex B at an incident angle of 60 (see figure). If the refractive index of the material of the prism is A ray OP of monochromatic light is incident on the face AB of prism ABCD near vertex B [...]

A wire is bent in the shape of a right angled triangle and is placed in front of a concave mirror of focal length f, as shown in the figure. Which of the figures shown in the four options qualitatively A wire is bent in the shape of a right angled triangle and is placed [...]