Home
Class 10
PHYSICS
The optical prescription for a pair of s...

The optical prescription for a pair of spectacles is, Right eye : + 2.50 D and Left eye : + 4.00 D. Which of the following statement is true for above condition?

A

The lens of left eye has greater focal length.

B

The given values are power of concave lenses

C

The lens of right eye has greater focal length.

D

The person is suffering from nearsightedness.

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

Which of the following statements is NOT correct for the reaction? 4A+B rarr2C+2D

the equation of a progressive wave is given by y=5 sin (100πt−0.4πx) where y and x are in m and t is in s. Which of the following statement are correct? (1) The amplitude of the wave is 5 m. (2) The wavelength of the wave is 5 m. (3) The frequency of the wave is 50 Hz. (4) The velocity of the wave is 250 m/s

If a/b=c/d and a,b,c,d are positive numbers, then which of the following statement are true?

For 0.1 M of NaCl and 0.1 M of Na_2SO_(4) solution , which of the following statement is TRUE ?

Choose the correct alternative from those given below each question: If for a quadratic equation b^2-4ac=0 , then which of the following statements is true ?

If a/b=c/d and a,b,c,d are positive numbers, then which of the following statement are true? If false write statement. (b-a)/(a)=(d-c)/c

The rope shown at an instant is carrying a wave travelling towards right, created by a source vibrating at a frequency n . Consider the following statements I. The speed of the wave is 4n xx ab II. The medium at a will be in the same phase as d after (4)/(3n)s III. The phase difference between b and e is (3pi)/(2) Which of these statements are correct

Answer the following questions : Sunita from Std. X uses spectacles . Her spectacle number is -1.5 D. Answer the following question : Name the defect of eye from which she is suffering .

Some sets are given below: A={……, -4, -2, 0, 2,. 4, 6,…} B= {1, 2, 3…} C= {…., -12, -6, 0, 6, 12, 18, ….} D= {…-8, -4, 0, 4, 8 ,…} I = {…, -3, -2, -1, 0, 1, 2, 3, 4,…} Discuss and decide which of the following statements are true. B is a subset of all the sets which given above.