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A fly F is sitting on a glass slab A, 45 cm thick and of refractive index 3/2. The slab covers the top of a container B containing water ( Refractive index 4/3) up to a height of 20 cm.
07
Oct
A fly F is sitting on a glass slab A, 45 cm thick and of refractive index 3/2. The slab covers the top of a container B containing water ( Refractive index 4/3) up to a height of 20 cm. 45 cm thick and of refractive index 3/2. The slab covers the top of a [...]
Find: (iv) 4 1/3 by 3
07
Oct
Find: (iv) 4 1/3 by 3 Find: (iv) 4 1/3 by 3 October 7, 2020 Category: Chapter 2 - Fraction and Decimals , Maths , NCERT Class 7 ,
Find: (iii) 6/13 by 7
07
Oct
Find: (iii) 6/13 by 7 Find: (iii) 6/13 by 7 October 7, 2020 Category: Chapter 2 - Fraction and Decimals , Maths , NCERT Class 7 ,
Find: (ii) 4/9 by 5
07
Oct
Find: (ii) 4/9 by 5 Find: (ii) 4/9 by 5 October 7, 2020 Category: Chapter 2 - Fraction and Decimals , Maths , NCERT Class 7 ,
Find: (i) 7/3 by 2
07
Oct
Find: (i) 7/3 by 2 Find: (i) 7/3 by 2 October 7, 2020 Category: Chapter 2 - Fraction and Decimals , Maths , NCERT Class 7 ,
Find the reciprocal of each of the following fractions. Classify the reciprocals as proper fractions, improper fractions and whole numbers. (i) 3/7 (ii) 5/8 (iii) 9/7 (iv) 6/5 (v) 12/7 (vi) 1/8 (vii) 1/11
07
Oct
Find the reciprocal of each of the following fractions. Classify the reciprocals as proper fractions, improper fractions and whole numbers. (i) 3/7 (ii) 5/8 (iii) 9/7 (iv) 6/5 (v) 12/7 (vi) 1/8 (vii) 1/11 Find the reciprocal of each of the following fractions. Classify the reciprocals as proper fractions improper fractions and whole numbers. (i) [...]
A balloon is rising up along the axis of a concave mirror of radius of curvature 20 m. A ball is dropped from the balloon at a height 15 m from the mirror when the balloon has velocity
07
Oct
A balloon is rising up along the axis of a concave mirror of radius of curvature 20 m. A ball is dropped from the balloon at a height 15 m from the mirror when the balloon has velocity A balloon is rising up along the axis of a concave mirror of radius of curvature 20 [...]
A concave mirror of focal length 20 cm is cut into two parts from the middle and the two parts are moved perpendicularly by a distance 1 mm from the previous principal axis AB.
07
Oct
A concave mirror of focal length 20 cm is cut into two parts from the middle and the two parts are moved perpendicularly by a distance 1 mm from the previous principal axis AB. A concave mirror of focal length 20 cm is cut into two parts from the middle and the two parts are [...]
Consider the situation shown in figure. Water ( mu w = 4/3) is filled in a beaker up to a height of 10 cm. A plane mirror is fixed at a height of 5 cm from the surface of water. Find the distance
07
Oct
Consider the situation shown in figure. Water ( mu w = 4/3) is filled in a beaker up to a height of 10 cm. A plane mirror is fixed at a height of 5 cm from the surface of water. Find the distance Consider the situation shown in figure. Water ( mu w = 4/3) [...]
A converging beam is incident on a system of two glass slabs with refractive indices mu 1 = (3/2), mu 2 = (5/4) and a concave mirror placed at a distance l from the closest face of the
07
Oct
A converging beam is incident on a system of two glass slabs with refractive indices mu 1 = (3/2), mu 2 = (5/4) and a concave mirror placed at a distance l from the closest face of the A converging beam is incident on a system of two glass slabs with refractive indices mu 1 [...]