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Find: (v) 272.23 by 10 (vi) 0.56 by 10 (vii) 3.97 by 10
07
Oct
Find: (v) 272.23 by 10 (vi) 0.56 by 10 (vii) 3.97 by 10 Find: (v) 272.23 by 10 (vi) 0.56 by 10 (vii) 3.97 by 10 October 7, 2020 Category: Chapter 2 - Fraction and Decimals , Maths , NCERT Class 7 ,
Find: (iii) 0.7 by 10 (iv) 33.1 by 10
07
Oct
Find: (iii) 0.7 by 10 (iv) 33.1 by 10 Find: (iii) 0.7 by 10 (iv) 33.1 by 10 October 7, 2020 Category: Chapter 2 - Fraction and Decimals , Maths , NCERT Class 7 ,
Find: (i) 4.8 by 10 (ii) 52.5 by 10
07
Oct
Find: (i) 4.8 by 10 (ii) 52.5 by 10 Find: (i) 4.8 by 10 (ii) 52.5 by 10 October 7, 2020 Category: Chapter 2 - Fraction and Decimals , Maths , NCERT Class 7 ,
A sphere of radius R made of material of refractive index mu 2 is placed in a medium of refractive index mu 1. Where would an object be placed so that a real image is equidistant from the spher?
07
Oct
A sphere of radius R made of material of refractive index mu 2 is placed in a medium of refractive index mu 1. Where would an object be placed so that a real image is equidistant from the spher? A sphere of radius R made of material of refractive index mu 2 is placed in [...]
Find: (viii) 0.80 by 5
07
Oct
Find: (viii) 0.80 by 5 Find: (viii) 0.80 by 5 October 7, 2020 Category: Chapter 2 - Fraction and Decimals , Maths , NCERT Class 7 ,
A spherical surface of radius R separates two media of refractive indices mu 1 and mu 2, as shown in figure. Where should an object be placed in medium 1 so that a real image is formed
07
Oct
A spherical surface of radius R separates two media of refractive indices mu 1 and mu 2, as shown in figure. Where should an object be placed in medium 1 so that a real image is formed A spherical surface of radius R separates two media of refractive indices mu 1 and mu 2 as [...]
Find: (vii) 3.96 by 4
07
Oct
Find: (vii) 3.96 by 4 Find: (vii) 3.96 by 4 October 7, 2020 Category: Chapter 2 - Fraction and Decimals , Maths , NCERT Class 7 ,
A lens is 5 cm thick and the radii of curvature of its surface are 10 cm and 25 cm, respectively. A point object is placed at a distance of 12 cm from the surface whose radius of curvature is 10 cm.
07
Oct
A lens is 5 cm thick and the radii of curvature of its surface are 10 cm and 25 cm, respectively. A point object is placed at a distance of 12 cm from the surface whose radius of curvature is 10 cm. A lens is 5 cm thick and the radii of curvature of its [...]
Find: (v) 651.2 by 4
07
Oct
Find: (v) 651.2 by 4 Find: (v) 651.2 by 4 October 7, 2020 Category: Chapter 2 - Fraction and Decimals , Maths , NCERT Class 7 ,
One end of a cylindrical glass rod shown in figure is ground to a hemispherical surface of radius R = 20 mm. (a) Find the image distance of a point object on the axis of the rod 80 mm
07
Oct
One end of a cylindrical glass rod shown in figure is ground to a hemispherical surface of radius R = 20 mm. (a) Find the image distance of a point object on the axis of the rod 80 mm One end of a cylindrical glass rod shown in figure is ground to a hemispherical surface [...]