National Science Olympiad Forum By SOF Olympiad Trainer - Page 179

User Forum

Subject :NSO    Class : Class 2

Post Your Answer

Subject :NSO    Class : Class 6

Post Your Answer

Subject :NSO    Class : Class 2

Post Your Answer

Subject :NSO    Class : Class 4

Post Your Answer

Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8

Ans 2:

Class : Class 8
Plane mirrors are used in Box cookers to reflect sunlight towards the box whereas the parabolic solar cookers use concave mirrors to concentrate the Sun's heat towards the box. Hence, the correct answer is (D) Both A and B

Post Your Answer

Subject :NSO    Class : Class 5

Post Your Answer

Subject :NSO    Class : Class 7

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7

Ans 2:

Class : Class 6
the answer can be d also they have not mentioned the length

Ans 3:

Class : Class 9

Ans 4:

Class : Class 6
sorry i gave wrong explanation

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 9
Obsidian

Post Your Answer

Subject :NSO    Class : Class 1

Ans 1:

Class : Class 3

Post Your Answer