Kelvin Scale and Celsius Scale

Q.

The difference between upper and lower fixed points on all temperature scales is 100 degrees.

1. True
2. False

Q. How will you convert Kelvin into Celsius?

Q.

The temperature at which Celsius and Fahrenheit scales show the same reading is :-

1. 40 K

2. 

3. – 40° C

4. – 100°C

Q.

Define absolute zero and absolute tscale of temperature.
Write the relationship between ${}^{\circ }C$ and K.

Q. Question 2 (a)
Convert the following temperatures to the Kelvin scale. $\left(a\right){25}^{\circ }C$

Q.

(a) What is the relationship between the Celcius and the Kelvin scales of temperature?
(b) Convert (i) ${273}^{\circ }C$ (ii) 293 K to ${}^{\circ }C$

Q.

The approximate temperature of 27${}^{\circ }C$ in Kelvin is ___K.

Q.

If the temperature of an object is 268 K it will be equivalent to :

(a)-$5^{\circ }C$ (b) +$5^{\circ }C$ (c) ${368}^{\circ }C$ (d) -${25}^{\circ }C$

Q.

Calculate the approximate temperature of 27^∘C in Kelvin.

1. 273 K
2. 300 K
3. -273 K
4. -300 K

Q.

What is the value of zero kelvin on Celsius scale?

Q.

The SI unit of temperature is Fahrenheit.

1. True
2. False

Q.

The temperature on the Kelvin scale reads 40 K. What will be the value on the Celsius scale?

1. 233°C

2. -233°C

3. 40°C

4. 313°C

Q.

In the Fahrenheit scale, the difference between the upper and lower fixed points is ___________degrees.

Q.

The temperature of $570K$ on the Celsius scale is_____.

1. ${200}^{\circ }C$

2. ${290}^{\circ }C$

3. ${297}^{\circ }K$

4. ${297}^{\circ }C$

Q. Which of the following relation is true about kelvin and degree celsius?

1. C = K + 273
2. K = C + 170
3. K = C + 273
4. K - C = 270

Q.

The standard room temperature is taken as :

1. 0°C

2. 273 K

3. 298 K

4. 20°C

Q.

If the temperature of Arid/Desserted land is 333K, What is its reading on Celcius Scale?

1. $\text{None of these}$

2. ${40}^{\circ }\text{C}$

3. ${50}^{\circ }\text{C}$

4. ${80}^{\circ }\text{C}$

Q.

Convert the following temperature to the Celsius scale:

$470\mathrm{K}$

Q. Assertion :At ${50}^{\circ },pH$ of pure water is less than 7. Reason: Ionic product of water increases with increase of temperature.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Assertion is incorrect but Reason is ncorrect