NEET Physics MCQ: NCERT Calorimetry & Star Colour | NEET.Guide Questions

Colour of shinning bright star is an indication of its

A

Distance from the earth

B

Size

C

Temperature

D

Mass

Question Tags

📚 Subject:Physics

📑 Chapter:Thermal Properties Of Matter

🎯Topic:Calorimetry

🎓 Ncert Level:Remembering

🎯Difficulty :Medium

⚡ Time Required :1 mins

🔄Ncert Concepts :stellar temperature, blackbody radiation

Related Questions

Steam is passed into $22g$ of water at ${20^{\rm{o}}}{\rm{C}}$ . The mass of water that will be present when the water acquires a temperature of ${90^{\rm{o}}}{\rm{C}}$ (Latent heat of steam is ) is $540\,\,cal/g)$

A

$24.8g$

B

$24g$

C

$36.6g$

D

$30g$

Question Tags

📚 Subject:Physics

📑 Chapter:Thermal Properties Of Matter

🎯Topic:Calorimetry

🎓 Ncert Level:Application

🎯Difficulty :Medium

⚡ Time Required :3 mins

🔄Ncert Concepts :heat transfer, latent heat, specific heat capacity, conservation of energy

Steam is passed into $22g$ of water at ${20^{\rm{o}}}{\rm{C}}$ . The mass of water that will be present when the water acquires a temperature of ${90^{\rm{o}}}{\rm{C}}$ (Latent heat of steam is ) is $540\,\,cal/g)$

A

$24.8g$

B

$24g$

C

$36.6g$

D

$30g$

Question Tags

📚 Subject:Physics

📑 Chapter:Thermal Properties Of Matter

🎯Topic:Calorimetry

🎓 Ncert Level:Application

🎯Difficulty :Medium

⚡ Time Required :3 mins

🔄Ncert Concepts :heat transfer, latent heat, specific heat capacity

Colour of shinning bright star is an indication of its

A

Distance from the earth

B

Size

C

Temperature

D

Mass

Question Tags

📚 Subject:Physics

📑 Chapter:Thermal Properties Of Matter

🎯Topic:Calorimetry

🎓 Ncert Level:Remembering

🎯Difficulty :Medium

⚡ Time Required :1 mins

🔄Ncert Concepts :stellar temperature, blackbody radiation

Assuming the sun to have a spherical outer surface of radius $r$ , radiating like a black body at temperature ${t^0}C$ , the power received by a unit surface, (normal to the incident rays) at a distance R from the centre of the sun is Where $\sigma$ is the stefan’s constant.

A

$\frac{{4\pi {r^2}\sigma {t^4}}}{{{R^2}}}$

B

$\frac{{{r^2}\sigma {{\left( {t + 273} \right)}^4}}}{{4\pi {R^2}}}$

C

$\frac{{16{\pi ^2}{r^2}\sigma {t^4}}}{{{R^2}}}$

D

$\frac{{{r^2}\sigma {{\left( {t + 273} \right)}^4}}}{{{R^2}}}$

Question Tags

📚 Subject:Physics

📑 Chapter:Thermal Properties Of Matter

🎯Topic:Calorimetry

🎓 Ncert Level:Application

🎯Difficulty :Medium

⚡ Time Required :3 mins

🔄Ncert Concepts :Blackbody radiation, Stefan-Boltzmann law, Inverse Square Law, Temperature Conversion

Assuming the sun to have a spherical outer surface of radius $r$ , radiating like a black body at temperature ${t^0}C$ , the power received by a unit surface, (normal to the incident rays) at a distance R from the centre of the sun is Where $\sigma$ is the stefan’s constant.

A

$\frac{{4\pi {r^2}\sigma {t^4}}}{{{R^2}}}$

B

$\frac{{{r^2}\sigma {{\left( {t + 273} \right)}^4}}}{{4\pi {R^2}}}$

C

$\frac{{16{\pi ^2}{r^2}\sigma {t^4}}}{{{R^2}}}$

D

$\frac{{{r^2}\sigma {{\left( {t + 273} \right)}^4}}}{{{R^2}}}$

Question Tags

📚 Subject:Physics

📑 Chapter:Thermal Properties Of Matter

🎯Topic:Calorimetry

🎓 Ncert Level:Application

🎯Difficulty :Medium

⚡ Time Required :3 mins

🔄Ncert Concepts :Blackbody radiation, Stefan-Boltzmann law, Inverse square law, Temperature conversion

For an opaque body coefficient of transmission is

A

Zero

B

$1$

C

$0.5$

D

$\infty$

Question Tags

📚 Subject:Physics

📑 Chapter:Thermal Properties Of Matter

🎯Topic:Calorimetry

🎓 Ncert Level:Remembering

🎯Difficulty :Medium

⚡ Time Required :1 mins

🔄Ncert Concepts :Transmission Coefficient, Opaque Material

Calculate the amount of heat (in calories) required to convert 5g of ice at ${0^0}C$ to steam at ${100^0}C$

A

$3100cal$

B

$3200cal$

C

$3600cal$

D

$4200cal$

Question Tags

📚 Subject:Physics

📑 Chapter:Thermal Properties Of Matter

🎯Topic:Calorimetry

🎓 Ncert Level:Application

🎯Difficulty :Medium

⚡ Time Required :3 mins

🔄Ncert Concepts :heat of fusion, heat of vaporization, specific heat capacity, phase change

If a black body is heated at a high temperature, it seems to be

A

Blue

B

White

C

Red

D

Black

Question Tags

📚 Subject:Physics

📑 Chapter:Thermal Properties Of Matter

🎯Topic:Calorimetry

🎓 Ncert Level:Remembering

🎯Difficulty :Medium

⚡ Time Required :1 mins

🔄Ncert Concepts :blackbody radiation, thermal radiation, Wien's displacement law

Calculate the amount of heat (in calories) required to convert 5g of ice at ${0^0}C$ to steam at ${100^0}C$

A

$3100cal$

B

$3200cal$

C

$3600cal$

D

$4200cal$

Question Tags

📚 Subject:Physics

📑 Chapter:Thermal Properties Of Matter

🎯Topic:Calorimetry

🎓 Ncert Level:Application

🎯Difficulty :Medium

⚡ Time Required :3 mins

🔄Ncert Concepts :heat of fusion, heat of vaporization, specific heat capacity

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