MyQuestionIcon

1

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

Latent Heat of Fusion

A boy chews ...

Question

A boy chews $100 g$ of ice-cream in $5$ minutes. If latent heat of ice $80 c a l / g m$ , his power is

A

56 W

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

B

28 W

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

C

112 W

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

D

224 W

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

Open in App

Solution

The correct option is C $112 W$
Total energy $80 \times 100 c a l = 80000 \times 4.2 = 336 K J$
Power $= \frac{336}{5 \times 60} = 112 W$

Suggest Corrections

thumbs-up

0

Similar questions

Q. Latent heat of ice is 80 calorie/gm. A man melts 60 g of ice by chewing in 1 minute. His power is

Q. Heat required to melt

1 g

0^{o} C

80 c a l

60 g

of ice and melt it in one minute. His power of chewing is

Q. Latent heat of ice is 80 calorie/gm. A man melts 60 g of ice by chewing in 1 minute. His power is

Q. Heat required to melt

1 g

80 c a l

60 g

of ice by chewing in one minute. His power is :

Q. A heating device melts 60 g of ice in 1 minute. The power supplied by the device is____. (Latent heat of ice is 80 cal/gm)

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Latent Heat of Fusion

PHYSICS

Watch in App

explore_more_icon

Explore more

Latent Heat of Fusion

Standard X Physics

Join BYJU'S Learning Program

CrossIcon