Advertisements
Advertisements
प्रश्न
Make A the subject of formula R = `("m"_1"B" + "m"_2"A")/("m"_1 + "m"_2)`
Advertisements
उत्तर
R = `("m"_1"B" + "m"_2"A")/("m"_1 + "m"_2)`
⇒ R (m1 + m2) = m1B + m2A
⇒R (m1 + m2) - m1B = m2A
⇒ `("R" ("m"_1 + "m"_2) - "m"_1"B")/"m"_2` = A.
APPEARS IN
संबंधित प्रश्न
Make a formula for the statement:"The reciprocal of focal length f is equal to the sum of reciprocals of the object distance u and the image distance v."
Make r2 the subject of formula `(1)/"R" = (1)/"r"_1 + (1)/"r"_2`
Make y the subject of formula W = `"pq" + (1)/(2)"wy"^2`
Make N the subject of formula I = `"NG"/("R" + "Ny")`
Make d the subject of formula S = `"n"/(2){2"a" + ("n" - 1)"d"}`
If V = pr2h and S = 2pr2 + 2prh, then express V in terms of S, p and r.
Make s the subject of the formula v2 = u2 + 2as. Find s when u = 3, a = 2 and v = 5.
Make y the subject of the formula `x/"a" + y/"b" `= 1. Find y, when a = 2, b = 8 and x = 5.
Make I the subject of the following M = `"L" /"F"(1/2"N" - "C") xx "I"`. Find I, If M = 44, L = 20, F = 15, N = 50 and C = 13.
If s = `"n"/(2)[2"a" + ("n" - 1)"d"]`, the n express d in terms of s, a and n. find d if n = 3, a = n + 1 and s = 18.
