Home
Class 8
MATHS
If (1)/(f)=(1)/(u)+(1)/(v), then make v ...

If `(1)/(f)=(1)/(u)+(1)/(v)`, then make v as the subject o the foormula. Also find v, if u=12 units and f=3 units

A

4 units

B

` (1)/(9)` units

C

9 units

D

` (1)/(4)` units

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • Formulae

    PEARSON IIT JEE FOUNDATION|Exercise Very Short Type Question|20 Videos

  • Formulae

    PEARSON IIT JEE FOUNDATION|Exercise Short Answer Type Question|25 Videos

  • GEOMETRY

    PEARSON IIT JEE FOUNDATION|Exercise CONCEPT APPLICATION (Level 1)|60 Videos

Similar Questions

Explore conceptually related problems

If (1)/(f)=(1)/(u)+(1)/(v) , then make v as the subject of the formula.

In v^(2)-u^(2)=2as , make a as the subject of the formula.

The focal length of a less is given by the formula (1)/(f)=(1)/(u)+(1)/(v) . Make f as the subject of the formula. if u=20cm and v=30, then find f. The following steps are involved in solving the above problem. Arrange them in sequential order. (A) Given (1)/(f)=(1)/(u)+(1)/(v) (B) rArr f=(uv)/(u+v) (C) f=(20xx30)/(20+30)=(600)/(50)=12 cm. (D) rArr (1)/(f)=(v+u)/(uv)

The focal f to a mirror is given by (1)/(f) = (1)/(u) + (1)/(v) where u and v represent object and image distance respectively then

If f(x)=(u)/(v) then f'(x)=(1)/(v^(3))