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Question & Answer Forum

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Sai Vijay answered 1 year(s) , 6 month(s) ago

What is the difference between clinical and labratory thermometer?

Clinical thermo meter:  This thermometer is used in Clinics to measure the temperature of human body.
 A clinical thermometer has a temperature range of only 35ºC to 42°C.
...

Asked by Sagar

Aug 7

  • 30 Answers
  • 28 Likes
  • 78484 Views
Shriya answered 1 year(s) , 9 month(s) ago

What is the fastest and slowest mode of heat transfer ?


 
Answer:  R adiation is the fastest mode of transfer of heat, because radiation travels at the speed of light, which is very quick.
...

  • 11 Answers
  • 6 Likes
  • 20438 Views
Ishan answered 2 year(s) , 1 month(s) ago

What is relation between Celsius and Fahrenheit?

The conversion formula for a temperature that is expressed on the Celsius (C) scale to its Fahrenheit (F) representation is: F = 9/5C + 32. Celsius  temperature scale  also called centigrade  temper...

Asked by Mohammad

Oct 2

  • 2 Answers
  • 2 Likes
  • 19275 Views
Amarnathreddy answered 5 year(s) , 1 month(s) ago

sea breeze and land breeze

What is sea breeze?
During the day, the land gets heated faster than the water. The air over the land becomes hotter and rises up. The cooler air from the sea rushes in towards the land...

Asked by Kopal

Mar 11

  • 1 Answer
  • 2 Likes
  • 17329 Views
Anshu answered 1 year(s) , 9 month(s) ago

how many types of thermometer we have

There are two types of thermometers
1) Clinical thermometer
2) Laboratory thermometer

Asked by Anant

Apr 10

  • 5 Answers
  • 1 Like
  • 17163 Views
Syeda answered 1 year(s) , 10 month(s) ago

Why mercury is used as a thermometric fluid ?

Answer.

1. It expands uniformly when heated.
2. It has low specific heat capacity.
3. I has a high boiling point (357 °C) and a low freezing point (-39 °C).
4. It is a go...

Asked by Sneha

Jul 14

  • 2 Answers
  • 3 Likes
  • 16934 Views
Syeda answered 1 year(s) , 10 month(s) ago

In places of hot climate it is advised that outer wall of houses should be painted white? Exlain

In places of hot climate the outer walls of the house are painted white as we know that the white colour reflects the rays of the sun where as darker colours absorb the heat rays so if dark colours are painted...

Asked by Deeksha

May 18

  • 4 Answers
  • 5 Likes
  • 14813 Views
Janhavi answered 3 year(s) , 7 month(s) ago

Why are two thin blankets usually warmer than one thick blanket ?

Air is trapped in the space between two thin blankets. Since air is an insulator of heat, it prevents the escape of body heat. That is why two thin blankets are usually warmer than one thick blanket.

Asked by CHRIS

Aug 12

  • 2 Answers
  • 0 Like
  • 11950 Views
Amarnathreddy answered 3 year(s) , 9 month(s) ago

Why are ventilators in house provided at the top of walls?

Ventilators are provided in the rooms at the top of the roofs, just below the roofs because if the air inside the room gets hot thehot  air rises up and flow through these ventilators and thus cool air remains...

Asked by Joanne

Jul 3

  • 1 Answer
  • 3 Likes
  • 11868 Views
Janhavi answered 3 year(s) , 7 month(s) ago

One litre of water at 30 degrees celsius is mixed with one litre of water at 50 degrees celsius. The temperature of the mixture will be

d. BETWEEN 30 DEGREES CELSIUS AND 50 DEGREES CELSIUS

Asked by CHRIS

Aug 23

  • 2 Answers
  • 4 Likes
  • 11572 Views
Madhulika answered 4 year(s) , 9 month(s) ago

explain the structure of clinical thermometer

The clinical thermometer has range of 35 c to 42 c . It has bulb which contains mercury. It has a kink which prevents the mercury to fall down on its own.

Asked by Deepa shah

Jun 18

  • 2 Answers
  • 1 Like
  • 10210 Views
Kalpesh answered 4 year(s) , 4 month(s) ago

Q. What is the difference between conduction, convection, and radiation?

1. Conduction and convection require a material medium whereas radiation can occur in vacuum also.
2. Conduction is a slow process. Convection is faster than conduction. Radiation is the fastest in which...

Asked by Rajesh joshi

Nov 18

  • 2 Answers
  • 1 Like
  • 9779 Views
Syeda answered 1 year(s) , 10 month(s) ago

Why can't sun's heat reach the earth through conduction or convection

Answer.

As there is vacuum after the earth's atmosphere there is no material and no particles, so due to no particles there is no scope for conduction and convection except radiation for the tra...

Asked by Seba

Jul 24

  • 5 Answers
  • 1 Like
  • 9507 Views
Janhavi answered 3 year(s) , 7 month(s) ago

Why are cloudy nights warmer than clear nights ?

Clouds trap heat being reflected from the earth. But on clear nights, heat escapes from earth. That is why cloudy nights are warmer than clear nights.

Asked by CHRIS

Aug 23

  • 1 Answer
  • 1 Like
  • 8766 Views
M Yogesh answered 5 year(s) , 8 month(s) ago

What are conductors and insulators of heat?

materials which allow heat and electricity to pass through them are called conductors and the material which does not allow heat and electricity to pass through them are called insulators

  • 2 Answers
  • 1 Like
  • 7981 Views
Oshinpriya answered 4 year(s) , 11 month(s) ago

ALCOHOL THERMOMETER AND MERCURY THERMOMETER

mercury :-
1) it is a shinning, silvery white liquid that can be seen very easily 
2) it does not stick to the wall of the thermometre.
3)it has uniform expansion and co...

Asked by Jefin jacob

Apr 27

  • 2 Answers
  • 0 Like
  • 6787 Views
Avanti arvind answered 5 year(s) , 6 month(s) ago

Sea breze and land breeze formed

Q: What is sea breeze?
During the day, the land gets heated faster than the water. The air over the land becomes hotter and rises up. The cooler air from the sea rushes in towards the l...

Asked by Saranya

Sep 23

  • 4 Answers
  • 2 Likes
  • 6161 Views
Agam answered 1 year(s) , 8 month(s) ago

What is the use of kink in a clinical thermometer

�All clinical thermometers have a kink that prevents the mercury from flowing back into the bulb when the thermometer is taken out of the patien's mouth, so that the temperature can be noted conveniently.�

Asked by Siddharth

Sep 9

  • 1 Answer
  • 1 Like
  • 5801 Views
Amarnathreddy answered 4 year(s) , 9 month(s) ago

Radiation

What is radiation?
Answer:
  Radiation The process in which heat flows from one object to another either through a medium or vacuum is called radiation. The h...

Asked by Akshat

Jun 25

  • 1 Answer
  • 1 Like
  • 5694 Views
Syeda answered 1 year(s) , 11 month(s) ago

Why do lab thermometer don't have kink?

Answer.

 Thermometer has to measure change continuously the mercury level has to go up and down countinuously so there is no kink in a thermometer.

Asked by Mahima

Jul 11

  • 4 Answers
  • 0 Like
  • 5221 Views
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