Question # 1

To see from submarine the ship at the surface of water , we use:

Choose an answer

Telescope

Microscope

Peri scope

Prism

Half of radius of curvature is called:

Choose an answer

Focal length

Principal focus

Axis

None of these

Which is an example of a longitudinal wave:

Choose an answer

Sound wave

Light wave

Radio wave

Water wave

If focal length of a lens is 1m, then its power will be:

Choose an answer

1 D

0.5 D

1.5 D

1 D

Which of the following is not processing:

Choose an answer

Arranging

Manipulating

Calculating

Gathering

The totally reflectiing prism one angle is of:

Choose an answer

45^o

90^o

180^o

120^o

From which of the following we can get information almost about everything:

Choose an answer

Book

Teacher

Computer

Internet

CD which is made of soft material is called:

Choose an answer

Hard disk

Floppy disk

Iron disk

Copper disk

The ray of the light after reflection from concave mirror passes through:

Choose an answer

Centre

Principal focus

Pole

None of these

Speed of light in air is ms^-1

Choose an answer

3 x 10⁸

3 x 10¹¹

3 x 10⁵

340

A normal eye can see near objects clearly at a distance of:

Choose an answer

20 cm

25 cm

30 cm

35 cm

Optical fibers work on the principle of:

Choose an answer

Refraction

Reflection

Total internal reflection

Diffraction

More Classes

Other Links

10th Class Physics Chapter 12 Geometrical Optics English Medium KPK Boards Online Mcqs MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer