MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Heating Effect of Current

The shining s...

Question

The shining surface in a thermos flask decreases the outgoing heat by ______________.

A

refraction

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

B

convection

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

C

reflection

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

D

conduction

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

Open in App

Solution

The correct option is C reflection

Suggest Corrections

thumbs-up

1

Similar questions

Q. Fill in the blanks with the proper word from the brackets.
(radiation, white, conduction, blue, convection, bad conductor, good conductor, black, reflection)

(a) Maximum heat is absorbed by a ................ coloured object.

(b) ...................... of heat does not require a medium.

(c) Conduction of heat takes place through a .......................... substance.

(d) The shining surface in a thermos flask decreases the outgoing heat by ......................... .

(e) Cooking utensils are made from metals due to their property of ................. .

(f) The earth receives heat from the sun by .................... .

Q. In a thermos flask, what prevents heat loss
(a) radiation
(b) heat losses by conduction and convection are largely prevented

Q. Explain how the different forms of heat losses are minimized in a thermos flask.

Q. The vacuum between the walls in a thermos flask minimises heat loss by

Q. In a thermos flask, vacuum between its walls reduces the heat loss by

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Heating Effect of Current_Tackle

PHYSICS

Watch in App

explore_more_icon

Explore more

Heating Effect of Current

Standard VIII Physics

Join BYJU'S Learning Program

CrossIcon