CET MCQ questions and answers Polytechnic 2015-2016 (Part1)

CET MCQ questions and answers Polytechnic 2015-2016 (Part1)

Previous Year Questions and Answers Year 2015-2016 (MCQ with solutions)

1. Light propagates in the form of

• a) Electric waves
• b) Magnetic waves
• c) Electromagnetic waves
• d) Longitudinal waves

2. The wavelength of light visible to the eye is of the order of

• a) 10⁻² m
• b) 1 m
• c) 10⁻¹⁰
• d) 10⁻⁷ m

3. The primary colors of light are:

• a) Red, blue and green
• b) Yellow, blue and green
• c) Red, green, and violet
• d) Yellow, green, and orange

4. When an object is placed between two perpendicular mirrors the number of images formed are

• a) Three
• b) One
• c) Infinite
• d) Five

5. A lens which can produce Magnetization of 1, less than 1 or greater than 1 can be a :

• a) Convex lens
• b) Glass slab
• c) Concave lens
• d) Plane mirror

6. The power of a lens is -5 Diopter then its focal length is :

• a) -20 cm
• b) -0.25 cm
• c) 25 cm
• d) 5 cm

7. A person is using spectacles fitted with convex lenses. He is suffering from

• a) Myopia
• b) Hypermetropia
• c) Astigmatism
• d) Squint eyes

8. Least distance of distinct vision in the adult human being

• a) 0.50 m
• b) 0.75 m
• c) 0.25 m
• d) 2.5 m

9. Image formed in simple microscope is

• a) Erect
• b) Inverted
• c) Smaller than object
• d) Very shining

10. The lens present in the human eye is

• a) Convex
• b) Concave
• c) Plane
• d) None of these