One kilogram of ice at 0°C is mixed with one kilogram of water at 80°C. The final temperature of the mixture is (Take: Specific heat of water = 4200 J kg-1C-1, Latent heat of ice = 336 kJ kg-1)

(1) 0°C              (2) 50°C

(3) 40°C           (4) 60°C

Subtopic:  Calorimetry |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Video/Text Solutions via Telegram Bot

High Yield NEET MCQ Books for 11th Physics & Chemistry

The fastest mode of heat transfer is 

1.  Conduction

2.  Radiation

3.  Convection

4.  all are  equally fast

Subtopic:  Radiation |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Video/Text Solutions via Telegram Bot

High Yield NEET MCQ Books for 11th Physics & Chemistry

A temperature of 100 oF (Fahrenheit scale) is equal to T K (Kelvin scale). The value of T is:

1.  310.9

2.  37.8

3.  100

4.  122.4

Subtopic:  Temperature and Heat |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Video/Text Solutions via Telegram Bot

High Yield NEET MCQ Books for 11th Physics & Chemistry

A black body at temperature 300K radiates heat at the rate E. If its temperature is increased by 600K, the rate of radiation will increase to -

1.  16E

2.  64E

3.  81E

4.  256E

Subtopic:  Radiation |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Video/Text Solutions via Telegram Bot

High Yield NEET MCQ Books for 11th Physics & Chemistry

A body cools down from 80°C to 70°C in 5 minutes. The temperature of the same body will fall from 70°C to 60°C in:

1.  less than 5 minutes.

2.  equal to 5 minutes.

3.  more than 5 minutes.

4.  can't say anything as the temperature of surroundings is not known.

Subtopic:  Newton's Law of Cooling |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Video/Text Solutions via Telegram Bot

High Yield NEET MCQ Books for 11th Physics & Chemistry

If λm is the wavelength, corresponding to which the radiant intensity of a block is at its maximum and its absolute temperature is T, then which of the following graph correctly represents the variation of T.

1. 
2. 
3. 
4. 

Subtopic:  Wien's Displacement Law |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Video/Text Solutions via Telegram Bot

High Yield NEET MCQ Books for 11th Physics & Chemistry

Heat capacity is equal to the product of:

1.  mass and gas constant

2.  mass and specific heat

3.  latent heat and volume of water

4.  mass and Avogadro number

 

Subtopic:  Calorimetry |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Video/Text Solutions via Telegram Bot

High Yield NEET MCQ Books for 11th Physics & Chemistry

When a block of iron floats in Hg at 0°C, a fraction K1 of its volumen= is submerged, while at temperature of 60°C a fraction K2 is seen to be submersed. If the coefficient of volume expansion of iron is γFe and that of mercury is γHg, then the ratio K1K2 can be expressed as:

1. 1+60γFe1+60γHg

2. 1-60γFe1+60γHg

3. 1+60γFe1-60γHg

4. 1+60γHe1-60γFe

Subtopic:  Thermal Expansion |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Video/Text Solutions via Telegram Bot

High Yield NEET MCQ Books for 11th Physics & Chemistry

Hot water cools from 60°C to 50°C in first 10 minutes and from 50°C to 42°C in next 10 minutes. The temperature of surrounding is :

1.  5° C 

2.  10° C 

3.  15° C  

4.  20°C

 

Subtopic:  Newton's Law of Cooling |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Video/Text Solutions via Telegram Bot

High Yield NEET MCQ Books for 11th Physics & Chemistry

A pendulum clock runs faster by 5 seconds per day at 20 oC and goes slow by 10 second per day at 35 oC. It shows the correct time at a temperature of:

1.  27.5 oC

2.  25 oC

3.  30 oC

4.  33 oC

Subtopic:  Thermal Expansion |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Video/Text Solutions via Telegram Bot

High Yield NEET MCQ Books for 11th Physics & Chemistry