MyQuestionIcon

3

You visited us 3 times! Enjoying our articles? Unlock Full Access!

Solar Cooker

Sun rays can ...

Question

Sun rays can be trapped for further use by :

A

keeping water on the roof

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

by making hole in the roof in such a manner that light falls on the mirror kept at

45^{0}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

using photovoltaic cells

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

D

all of the above

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C using photovoltaic cells
In other two (option A and B) solar energy trapped cant be used, but in photovoltaic cells it can be used as solar energy

Suggest Corrections

thumbs-up

0

Similar questions

Q. What happens when sun light falls on photovoltaic cells?

Q. Light rays from the sun after reflection at a plane mirror pass through a hole in a wall. After some time due to the shift in the position of the sun, the angle of incidence of sunlight increased by

10^{0}

. By what angle should the mirror be rotated such that the reflected rays continue to pass through the hole in the wall?

Convex mirrors can be used for focusing sun rays.

Q. In a dark room with ambient temperature

T_{0}

, a black body is kept at a temperature T. Keeping the temperature of the black body constant (at T), sun rays are allowed to fall on the black body through a hole in the roof of the dark room. Assuming that there is no change in the ambient temperature of the room, which of the following statement(s) is/are correct?

Q. A pile 4 m high stands in the lake, such that it appears 1 m above the surface of water . if refractive index of water is

μ = \frac{4}{3}

and sun rays make an angle of

45^{0}

with the water surface, then length of the shadow of pile on the bed of the lake will be:

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Solar Energy

PHYSICS

Watch in App

explore_more_icon

Explore more

Standard X Physics

Join BYJU'S Learning Program

CrossIcon