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Awesomness from DPS East, Bengaluru

Subject :NSO Class : Class 8

Which of the following options has an incorrect example?

ALuminous body - Electric fish, sea walnut
BNon-luminous body - Moon, Earth
CPlane mirror - Periscopes, solar cookers
DNone of these

View All Answers (6)

Ans 1:

Nishchay Gupta from Cambridge Court World School, Jaipur

Class : Class 6

It is C Because concave mirror is used in solar cooker not plane mirror.

Ans 2:

Shubhangam Raj from Don Bosco Academy, Patna

Class : Class 8

Ans 3:

RISHABH from BHARATIYTA VIDYA BHAVAN, KOLKATA

Class : Class 9

Ans 4:

kaushika semwal from Ashok Academy, Mumbai

Class : Class 8

I THINK IT'S "D"

Ans 5:

Vartika Agarwal from Phoenix world school, Pune

Class : Class 9

its c as solar cookers have concave mirror and not plane mirror

Ans 6:

Newaan Bhardwaj from ahlcon international school, Delhi

Class : Class 7

it is c because concave mirror is used in a solar cooker