We consider the radiation emitted by the human body. Which of the following statements is true

Question

We consider the radiation emitted by the human body. Which of the following statements is true

We consider the radiation emitted by the human body. Which of the following statements is true
A. The radiation is emitted only during the day
B. the radiation is emitted during the summers and absorbed during the winters
C. the radiation emitted lies in the ultraviolet region and hence is not visible
D. the radiation emitted is in the infrared region

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Related Questions

The energy emitted per second by a black body at `27^(@)C` is 10 J. If the temperature of the black body is increased to `327^(@)C` , the energy emitt

2 Answers 5 Views

Consider a black body radiation in a cubical box at absolute temperature T. If the lengh of each side of the box is doubled and the temperature of the

2 Answers 5 Views

A difference of 2.3 eV separates two energy levels in an atom. What is the frequency of m radiation emitted when the atom make a transition from the u

2 Answers 4 Views

The maximum radiant energyy emitted at 1000 K is for a wavelength of 2.9 Å, the maximum radiant energy emitted at 2000 K will be for a wavelength of

2 Answers 4 Views

The wavelength of maximum emitted energy of a body at 700 K is `4.08 mu m`. If the temperature of the body is raised to 1400 K , the wavelength of max

2 Answers 4 Views

The temperature of a black body becomes half of its original temperature, the amount of radiation emitted by the body will reduce to

2 Answers 5 Views

The surface of a house hold radiator has an emissivity of 0.5 and an area of 1.5 `m^(2)`. The rate at which the radiation is emitted by then the radia

2 Answers 4 Views

The ratio of energy of emitted radiation of a black body at `27^(@)C` and `927^(@)C` is

2 Answers 4 Views

On a photosensitive material, when frequency of incident radiation is increased by 30% kinetic energy of emitted photoelectrons increases from `0.4 eV

2 Answers 4 Views

Monochromatic light of frequency `6xx10^(14)Hz` is produced by a laser. The power emitted is `2xx10^(-3)` W. The number of photons emitted per second

2 Answers 4 Views

Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - D
Every body at all time, at all temperature emits radiation (except at T=0). The radiation emitted by the human body is in the infrared region.

4 views Answered 2023-02-05 15:29