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Find: (v) 3 1/2 by 8/3
07
Oct
Find: (v) 3 1/2 by 8/3 Find: (v) 3 1/2 by 8/3 October 7, 2020 Category: Chapter 2 - Fraction and Decimals , Maths , NCERT Class 7 ,
A transparent solid cylindrical rod has a refractive index of 2 / root 3 . It is surrounded by air. A light ray is incident at the midpoint of one end of the rod as shown in the figure.
07
Oct
A transparent solid cylindrical rod has a refractive index of 2 / root 3 . It is surrounded by air. A light ray is incident at the midpoint of one end of the rod as shown in the figure. A transparent solid cylindrical rod has a refractive index of 2 / root 3 . It [...]
Two spherical mirrors M1 and M2 are arranged as shown in the figure. The mirror M2 is cut into two halves and its halves are drawn symmetrically at a distance 1 cm apart in a direction
07
Oct
Two spherical mirrors M1 and M2 are arranged as shown in the figure. The mirror M2 is cut into two halves and its halves are drawn symmetrically at a distance 1 cm apart in a direction Two spherical mirrors M1 and M2 are arranged as shown in the figure. The mirror M2 is cut into [...]
Find: (iv) 2 1/3 by 3/5
07
Oct
Find: (iv) 2 1/3 by 3/5 Find: (iv) 2 1/3 by 3/5 October 7, 2020 Category: Chapter 2 - Fraction and Decimals , Maths , NCERT Class 7 ,
A point object lies 30 cm above water on the axis of a convex mirror of focal length 40 cm lying 20 cm below water surface. Consider two images:
07
Oct
A point object lies 30 cm above water on the axis of a convex mirror of focal length 40 cm lying 20 cm below water surface. Consider two images: A point object lies 30 cm above water on the axis of a convex mirror of focal length 40 cm lying 20 cm below water surface. [...]
Find: (iii) 3/7 by 8/7
07
Oct
Find: (iii) 3/7 by 8/7 Find: (iii) 3/7 by 8/7 October 7, 2020 Category: Chapter 2 - Fraction and Decimals , Maths , NCERT Class 7 ,
A slab of glass of thickness 6 cm and index 1.5 is placed somewhere in between a concave mirror and a point object, perpendicular to the mirror’s optical axis. The radius of curvature
07
Oct
A slab of glass of thickness 6 cm and index 1.5 is placed somewhere in between a concave mirror and a point object, perpendicular to the mirror’s optical axis. The radius of curvature A slab of glass of thickness 6 cm and index 1.5 is placed somewhere in between a concave mirror and a point [...]
Find: (ii) 4/9 by 2/3
07
Oct
Find: (ii) 4/9 by 2/3 Find: (ii) 4/9 by 2/3 October 7, 2020 Category: Chapter 2 - Fraction and Decimals , Maths , NCERT Class 7 ,
Find: (i) 2/5 by 1/2
07
Oct
Find: (i) 2/5 by 1/2 Find: (i) 2/5 by 1/2 October 7, 2020 Category: Chapter 2 - Fraction and Decimals , Maths , NCERT Class 7 ,
Find: (v) 3 1/2 by 4
07
Oct
Find: (v) 3 1/2 by 4 Find: (v) 3 1/2 by 4 October 7, 2020 Category: Chapter 2 - Fraction and Decimals , Maths , NCERT Class 7 ,