Question

Two thermometers are constructed in such a way that one has a spherical bulb and the other has elongated cylindrical bulb. The bulbs are made of same material and thickness. Then: (a) spherical bulb will respond more quickly to temperature changes (b) cylindrical bulb will respond more quickly to temperature changes. (c) both bulbs will respond same to temperature changes (d) none of both bulbs respond to temperature changes

Name: Problem 5, Chapter 15: Arihant AIEEE Physics
Uploaded: 2021-09-19T14:37:36-08:00
Duration: 2 min 10 s
Channel: Ajay Singhal

   Two thermometers are constructed in such a way that one has a spherical bulb and the other has elongated cylindrical bulb. The bulbs are made of same material and thickness. Then:
(a) spherical bulb will respond more quickly to temperature changes
(b) cylindrical bulb will respond more quickly to temperature changes.
(c) both bulbs will respond same to temperature changes
(d) none of both bulbs respond to temperature changes

Arihant AIEEE Physics

D.B. Singh 2006 Edition

Chapter 15, Problem 5

Instant Answer

Solved by Expert Ajay Singhal

09/19/2021

Step 1

Both bulbs are made of the same material and have the same thickness. We need to determine which one will respond more quickly to temperature changes. Show more…

Show all steps

Thanks for your feedback!

Two thermometers are constructed in such a way that one has a spherical bulb and the other has elongated cylindrical bulb. The bulbs are made of same material and thickness. Then: (a) spherical bulb will respond more quickly to temperature changes (b) cylindrical bulb will respond more quickly to temperature changes. (c) both bulbs will respond same to temperature changes (d) none of both bulbs respond to temperature changes

Play audio

Feedback

Labs

Want to see this concept in action?

NEW

Explore this concept interactively to see how it behaves as you change inputs.

View Labs

Key Concepts

Thermal Response Time

This concept refers to the length of time a thermometer (or any thermal sensor) takes to reach thermal equilibrium with its environment. It is influenced by the sensor's design, material properties, and geometric shape which affect the rate of heat transfer.

Surface Area-to-Volume Ratio

This ratio is critical in determining how quickly an object can exchange heat with its surroundings. A higher surface area relative to volume allows for faster heat transfer, leading to a quicker response in temperature sensing devices.

Thermal Mass

Thermal mass is the amount of heat energy required to change the temperature of a material. A lower thermal mass means the sensor can heat up or cool down more rapidly, thereby reducing the response time to temperature changes.

Please give Ace some feedback