Writing in Bengali to role of sports in student life
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hi I am not sure if I can makeof glass and water respect to air are 3/2 and 4/3 respectively. The refractive index of glass
respect to water is
(A) 8/9
(B) 9/8
(C) 1/12
(D) 2.
If a convex lens forms a five fold magnified image on the screen at a distance of 160cm, find its focal length.
(A) 52 cm
(B) 26.66 cm
(C) 18 cm
(D) 36 cm
A force Fi acting on a 2kg body produces an acceleration of 2m/s and the force Fz produce an acceleratione
F2
Find
F
(A) 1:3
(B) 3:1
(C) 1:2
(D) 2:1
A body of
Explanation:
muex of glass and water respect to air are 3/2 and 4/3 respectively. The refractive index of glass
respect to water is
(A) 8/9
(B) 9/8
(C) 1/12
(D) 2.
If a convex lens forms a five fold magnified image on the screen at a distance of 160cm, find its focal length.
(A) 52 cm
(B) 26.66 cm
(C) 18 cm
(D) 36 cm
A force Fi acting on a 2kg body produces an acceleration of 2m/s and the force Fz produce an acceleratione
F2
Find
F
(A) 1:3
(B) 3:1
(C) 1:2
(D) 2:1
A body of