Q56.A ray of light coming from the point (2, 2√3) ray gets reflected on the line x = 1 and meets x -axis at the point B. Then, the line AB passes through the point (1) (3, −1√3 ) (2) (4, −√32 ) (3) (3, −√3) (4) (4, −√3)
What This Question Tests
This question tests the ability to find the image of a point upon reflection across a vertical line and then determine a point lying on the straight line passing through the image and another specified point.
Concepts Tested
Formulas Used
Image of (x₁, y₁) about x=k is (2k-x₁, y₁)
Two-point form of a line
📚 NCERT Sections This Tests
9.8 — A Beam Of Light Converges At A Point P. Now A Lens Is Placed In The
Physics Class 12 · Chapter 9
9.8 A beam of light converges at a point P. Now a lens is placed in the path of the convergent beam 12cm from P. At what point does the beam converge if the lens is (a) a convex lens of focal length 20cm, and (b) a concave lens of focal length 16cm?
9.15 — Apply Mirror Equation And The Condition:
Physics Class 12 · Chapter 9
9.15 Apply mirror equation and the condition: (a) f < 0 (concave mirror); u < 0 (object on left) (b) f > 0; u < 0 (c) f > 0 (convex mirror) and u < 0 (d) f < 0 (concave mirror); f < u < 0 to deduce the desired result.
10.2 — What Is The Shape Of The Wavefront In Each Of The Following Cases:
Physics Class 12 · Chapter 10
10.2 What is the shape of the wavefront in each of the following cases: (a) Light diverging from a point source. (b) Light emerging out of a convex lens when a point source is placed at its focus. (c) The portion of the wavefront of light from a distant star intercepted by the Earth.
📋 Question Details
- Chapter
- Straight Lines
- Topic
- Reflection of a point
- Year
- 2020
- Shift
- 06 Sep Shift 1
- Q Number
- Q56
- Type
- MCQ
- NCERT Ref
- Class 11 Mathematics Ch 10: Straight Lines
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