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name 10 examples of conductors & insulators.
why we can't use laboratory thermometer to measuring human body temperature
WHAT ARE GOOD AND BAD CONDUCTORS OF HEAT? EXPLAIN WITH EXAMPLES.
Test solution Effect on red litmus paper Effect on blue litmus paper Inference
Lemon juice No change Red Acidic
Tap water No change No change Neutral
Detergent solution Blue No change Basic
Aerated Drink Blue No change Basic
Soap solution Blue No change Basic
Shampoo Blue No change Basic
Common Salt solution No change No change Neutral
Sugar solution No change No change Neutral
Vinegar No change Red Acidic
Baking soda solution Blue No change Basic
Milk of magnesia Blue No change Basic
Washing soda solution Blue No change Basic
Lime water Blue No change Basic
Test solution Effect on turmeric solution Remarks
Lemon juice No colour change Acidic
Orange juice No colour change Acidic
Vinegar No colour change Acidic
Milk of magnesia Red Basic
Baking soda Red Basic
Lime water Red Basic
Sugar No colour change Neutral
Common salt No colour change Neutral
What about sugar and common salt with turmeric solution? How do we conclude about the nature?
WHY DO WE WEAR WOOLEN CLOTHES IN WINTER ?
why does a clinical thermometer have a kink?
what are 5 examples of bad conductors
can a clinical thermometer be used to measure the temperature of boiling water ? why ?
Why are two thin blankets usually warmer then one thick blanket ?
Explain land breeze and sea breeze?
WHY DOCTORS DIP THE THERMOMETER IN A LIQUID BEFORE USE? WHY IS IT KEPT UNDER THE TONGUE
name some bad conductors of heat
why black colour umbrella is used in summer than a white one
why are ventilators made close to the ceilings (give reasons)
why are car radiators painted black?
precautions while reading a clinical thermometer?
Why is water a bad conductor of heat ?
In a room it is best to place a room heater on the floor but an air conditioner near the ceiling.why?
what is a clinical thermometer?
What are its features and functions?
describe an experiment to show convection current in liquid
What are the conditions necessary for conduction to take place?
why does an aluminium window frame feel colder to touch than a wooden frame?
Shopkeepers selling ice blocks usually cover with jute sacks? Why?
is human body an insulator or conductor of heat
WHY THE THERMOMETER IS KEPT UNDER THE TONGUE?
Mud house are cool in summer and hot in winter . why ???????
A wooden spoon is dipped in a cup of ice cream. Its other end
(a) becomes cold by the process of conduction.
(b) becomes cold by the process of convection.
(c) becomes cold by the process of radiation.
(d) does not become cold.
is the answer to this (d) does not become cold?
What happens to radiant heat when it falls on body?
A short-note on Green House ?
Why do wet clothes dry faster in winter than in the rainy season?
Slabes of ice are covered with saw dust or gunny bags.Give reason.
Q4 why laboratory thermometer does not have a kink?
Q5 what precautions will you observe while using a clinical thermometer?
Q6 describe an experiment to show convection currents in a liquids.
Why do we feel hot when we stand near a fire?
why do we wear woollen clothes in winter & cotton clothes in summer?
what are the conditions required for conduction fo heat?
explain why gases expand more than liquis and solids
what is kink present in thermometer
why mercury does not fall or rise in a clinical themometer when taken out of the mouth?
what is the difference between conduction, convection and radiation?
. A marble tile would feel cold as compared to a wooden tile on a winter morning, because the marble tile
(a) is a better conductor of heat than the wooden tile. 9answer)
(b) is polished while wooden tile is not polished.
(c) reflects more heat than wooden tile.
(d) is a poor conductor of heat than the wooden tile.
kindly check the answer for the question, please!
Which of the thermometers, A or B, will show a greater rise in temperature? Give reason for your answer.
convert 25 degree celsius to fahrenheit
convert 86degree fahrenheit to celsius
give all the steps need the answer urgently
why wearing more layers of clothing during winter keeps us wrmer than wearing just one thickpiece of clothing?
WHY DO PEOPLE PREFER TO WEAR DARK CLOTHES IN WINTER AND LIGHT CLOTHES IN SUMMER?(HERE LIGHT MEANS LIGHT COLUORED CLOTHES FOR EG.WHITE)
Q: why are you advised to use an umbrella when you go out in the sun?
mode of heat transfer in
1) A paper cup full of hot soup lying on the table
2) cooking vegetables in a pan
What is the lower point of an ordinanary laboratry thermometer
ii Why electric room heaters are provied with a polished metal surface behind the heating element?
What is ice point and what is steam point?
What is white petrol?
What is the unit of heat energy in SI & FPS System ?
WHATS THE DIFFERENCE BETWEEN A DIGITAL AND A CLINICAL THERMOMETER?(ANY 3 POINTS)
a 10 degree celsius fall in temperature is equal to _________________
a clinical thermometer has the range of 35 degree to 42 degree .why
why is well water warmer in winter and cooler in summer?
Two test tubes full of water are heated -one from below and the other from near the top. In which case will the water heat up faster and why?
what is conductor and insulator . give some examples ?
why do we feel hot when we sit under the sun directly
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