Courses

# Human Eye And Colorful World - Practice Test, Class 10 Science

## 23 Questions MCQ Test | Human Eye And Colorful World - Practice Test, Class 10 Science

Description
This mock test of Human Eye And Colorful World - Practice Test, Class 10 Science for Class 10 helps you for every Class 10 entrance exam. This contains 23 Multiple Choice Questions for Class 10 Human Eye And Colorful World - Practice Test, Class 10 Science (mcq) to study with solutions a complete question bank. The solved questions answers in this Human Eye And Colorful World - Practice Test, Class 10 Science quiz give you a good mix of easy questions and tough questions. Class 10 students definitely take this Human Eye And Colorful World - Practice Test, Class 10 Science exercise for a better result in the exam. You can find other Human Eye And Colorful World - Practice Test, Class 10 Science extra questions, long questions & short questions for Class 10 on EduRev as well by searching above.
QUESTION: 1

### Human eye forms the image of an object at its –

Solution:

The retina acts as the screen over which the image of an object is formed.

QUESTION: 2

Solution:
QUESTION: 3

### A concave lens of suitable focal length is used for correcting a-

Solution:
QUESTION: 4
The convex lens of focal length 20cm each are separated by a distance of 10cm for focal length of combination is :-
Solution:
QUESTION: 5
Cinematography makes use of -
Solution:
QUESTION: 6
Blue colour of sky is due to-
Solution:
QUESTION: 7
Two convex lenses of focal length 10cm and 20cm are kept in contact .The focal length of the combination is:
Solution:
QUESTION: 8
A human eye can focus objects at different distances by adjusting the focal length of the eye lens. This is due to –
Solution:
QUESTION: 9
A person cannot see fundamental colours (red, blue, green). This defect is called:-
Solution:
QUESTION: 10

A myopic person cannot see clearly:-

Solution:
QUESTION: 11
Red colour of the sun at the time of sunrise and sunset is because-
Solution:
QUESTION: 12
A person having Presbyopia should use:-
Solution:
QUESTION: 13
The change of focal length of an eye lens to focus the image of objects at varying distances is done by the action of the -
Solution:
QUESTION: 14
The property of persistence of vision is used in-
Solution:
QUESTION: 15
The broad wavelength range of visible spectrum is-
Solution:
QUESTION: 16
Splitting of white light into seven colours on passing through the glass prism is called-
Solution:
QUESTION: 17
Two lenses of power –1.75D and +2.75D are placed in contact. The focal length of the combination is :-
Solution:
QUESTION: 18
The defect of astigmatism can be rectified by using: -
Solution:
QUESTION: 19
When we enter a cinema hall, we cannot see properly for a short time. This is because-
Solution:
QUESTION: 20
For which colour, refractive index of glass is maximum?
Solution:
QUESTION: 21
A long-sighted person cannot see clearly:
Solution:
QUESTION: 22
Which colour suffers least deviation on passing through a prism?
Solution:
QUESTION: 23
Variable focal length of eye is responsible for-
Solution: