मराठी
तामिळनाडू बोर्ड ऑफ सेकेंडरी एज्युकेशनएस.एस.एल.सी. (इंग्रजी माध्यम) इयत्ता ९

Assertion (A): 0 °C = 273.16 K. For our convenience we take it as 273 K after rounding off the decimal. Reason (R): To convert a temperature on the Celsius scale we have to add 273 to

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प्रश्न

Assertion (A): 0 °C = 273.16 K. For our convenience we take it as 273 K after rounding off the decimal.

Reason (R): To convert a temperature on the Celsius scale we have to add 273 to the given temperature.

पर्याय

  • Both A and R are true but R is not the correct reason.

  • Both A and R are true and R is the correct reason.

  • A is true but R is false.

  • A is false but R is true.

MCQ
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उत्तर

Both A and R are true and R is the correct reason.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: Measurement - Exercise [पृष्ठ १२]

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सामाचीर कलवी Science [English] Class 9 TN Board
पाठ 1 Measurement
Exercise | Q V. 2. | पृष्ठ १२

संबंधित प्रश्‍न

The temperature of a body rises by 1°C. What is the corresponding rise on the (a) Fahrenheit scale (b) Kelvin scale?


Who is telling the truth?

The temperature of a substance is measured in joules.


Name or state the following:

The law which states that pressure remaining constant the volume of a given mass of dry gas is directly proportional to its absolute [Kelvin] temperature.


Define one joule of heat.


Two bodies are at same temperature. Do they necessarily contain same amount of heat?


Name the scientist who designed the first thermometer.


Define coefficient of linear expansion.


State three main characteristics of a thermometric substance.


Convert the following temperature into Fahrenheit scale:
-400C


Give a scientific reason for the following:
In winter the human body covered with a blanket keeps warm.


What is a clinical thermometer?

The temperature of a body rises through 1°C. What is the corresponding rise on an absolute scale?

Name the metal which is most conducting.

Name the substance which is most non-conducting.

The following figure shows a rectangular box with two tubes P and Q at the top. A burning candle R is placed under the tube P. The candle burns brightly.

Explain:

(i) How is the air in the box circulating?
(ii) What will happen if the opening Q is closed?


A thermostat is a device which maintains _____.


If you apply heat energy, the temperature of a system will _____.


When a substance is heated, its temperature ______.


Match the following:

  Column-I Column-II
1. Length s
2. Mass m
3. Time k
4. Temperature kg

Define absolute zero.


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