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Subject: Science, asked 1 hour, 56 minutes ago

27. In the determination of focal length of a convex lens, image of grill of a window is formed on a screen. The index mark of screen holder is 37-5 cm and that of lens holder is 16-2 cm. The distance of grill from the lens is 2-5 m. Focal length of lens is

(a) 25 m

(b) 37-5 cm

(c) 162 cm

(d) 21-3 cm

Subject: Science, asked 11 hours, 29 minutes ago

Are all displacement reactions Exothermic and Redox? Justify

Subject: Maths, asked 12 hours, 3 minutes ago

9x2-9(a+b)x+(2a2+5ab+2b2)=0 by factorization method

Subject: Maths, asked 12 hours, 8 minutes ago

q41 please answer

Subject: Maths, asked 12 hours, 9 minutes ago

q40 please answer

Subject: Maths, asked 12 hours, 11 minutes ago

q39 please answer

Subject: Science, asked 12 hours, 24 minutes ago

The refractive index of diamond is 2.47 and that of glass is 1.51. How much faster does light travel in glass than in diamond?

Subject: Maths, asked 12 hours, 42 minutes ago

Find the domain of this function given below

Subject: Physics, asked 12 hours, 43 minutes ago

Two point charges A and B of values +15 uC and +9 uC are kept 18cm apart in air. Calculate the work done when charges B is moved by 3cm towards A.​

Subject: Maths, asked 13 hours, 19 minutes ago

Answer for this question:

Subject: Maths, asked 13 hours, 30 minutes ago

What is a set? Please explain with example.

Subject: Maths, asked 13 hours, 33 minutes ago

How to solve it .explain it

Abc
Subject: Hindi, asked 13 hours, 35 minutes ago

Character discription of Harihar Kaka's Brothers

Subject: Physics, asked 13 hours, 49 minutes ago

Pls answer this fast...?

Subject: Physics, asked 13 hours, 52 minutes ago

Pls answer this fast...

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