Radiation depends ona)the colour of the substanceb)the temperature of the substancec)both (a) and (b)d)none of theseCorrect answer is option 'C'. Can you explain this answer?

Question

Answer

Both (a) and (b)
because It is colour of substances and after coverting into temperature it is answer this question.

Answer

Beacause the colour of the object decides on how much heat the object will radiate

Answer

Ok

Answer

Both (a ) and (b)

Answer

Radiation depends on the color and temperature of the substance.

Radiation is the transfer of energy in the form of electromagnetic waves or particles. It occurs when the atoms or molecules in a substance gain or lose energy and emit electromagnetic radiation. The color and temperature of a substance play a significant role in determining the type and amount of radiation it emits.

Color of the substance:
The color of a substance is determined by the wavelengths of light that it reflects or absorbs. Different colors correspond to different wavelengths of light. When a substance absorbs light, its atoms or molecules absorb the energy carried by the light waves, causing them to vibrate or move faster. As a result, the substance gains energy and emits radiation in the form of light. The color of the emitted light depends on the energy absorbed and the specific properties of the substance.

Temperature of the substance:
The temperature of a substance is a measure of the average kinetic energy of its atoms or molecules. As the temperature of a substance increases, the average kinetic energy of its particles also increases. This increased kinetic energy leads to more vigorous vibrations and movements of the atoms or molecules. Consequently, the substance emits more energy in the form of radiation. The type of radiation emitted depends on the substance's temperature. For example, at higher temperatures, substances emit more visible light and even higher-energy radiation such as ultraviolet or infrared waves.

Both color and temperature:
The color and temperature of a substance are interrelated. A substance's color is determined by the specific wavelengths of light it reflects or absorbs, which in turn depends on the electronic structure of its atoms or molecules. The temperature affects the energy levels of the atoms or molecules, determining the amount and type of radiation emitted. Therefore, both the color and temperature of a substance influence the radiation it emits.

Conclusion:
In conclusion, radiation depends on both the color and temperature of the substance. The color determines the wavelengths of light absorbed and emitted, while the temperature influences the energy levels and the type of radiation emitted. Understanding the relationship between color, temperature, and radiation is important in various fields, including physics, chemistry, and astronomy.

Similar Class 7 Doubts

Radiation depends on

Expansion of a substance on heating depends on

Specific heat is

An indicator is a substance which shows the presence of a chemical substance by

Some pieces of chalk were taken and mixed with water. In this change, how many new substances are formed?

Top Courses for Class 7View all

Science Class 7

Mathematics (Maths) Class 7

Social Studies (SST) Class 7

English Grammar Class 7

Worksheets with solutions for Class 7

Top Courses for Class 7

Top Courses for Class 7

Suggested Free Tests

Related Content

Class 7 Study Material

Class 7 Subjects

Competitive Examinations for Class 7

NCERT Books

Reference Books for Class 7

NCERT Solutions

Other Popular Exams

Company