In general, good absorbents of electromagnetic radiation are also good___________?

A. Radiators
B. Conductors
C. Insulators
D. Semi Conductors

Submitted by: Rida

Related Mcqs:

Select the arrangement of electromagnetic radiation which starts with the lowest energy and increases to greatest energy?
A. radio, visible, infrared, ultraviolet, x-ray, gamma ray
B. radio, infrared, visible, x-ray, gamma ray, ultraviolet
C. visible, radio, infrared, ultraviolet, x-ray, gamma ray
D. radio, infrared, visible, ultraviolet, x-ray, gamma ray
Submitted by: Mansoor Ul Haque
All of the following are electromagnetic radiations except__________?
A. Red light
B. Sound waves
C. X-Rays
D. Photon
Submitted by: Mansoor Ul Haque
The scientist who first sent electromagnetic waves to distant places is?
A. James Clerk Maxwell
B. Heinrich Hertz
C. Thomas Alva Edison
D. John Logie Baird
Submitted by: Malik Asghar Hussain
Ozone layer prevents ______________ radiation from entering the atmosphere?
A. Infra-red
B. Ultraviolet
C. X-rays
D. Gamma rays
E. None of these
Nuclear radiation is emitted by those elements whose:
A. molecules are stable
B. molecules are unstable
C. nuclei are stable
D. nuclei are unstable
Submitted by: Mansoor Ul Haque
Which type of reaction produces the most harmful radiation?
A. Fusion reaction
B. Fission reaction
C. Chemical reaction
D. Photo-Chemical reaction
Submitted by: Malik Asghar Hussain
In radiation, which of the following has strong photons?
A. X-Rays
B. Gamma
C. Microwave
D. Electromagnetic
Submitted by: Warraich
Which diagnostic scan gives some of the highest radiation doses in diagnostic radiography ?
A. CT-Scan
B. Ultrasound
C. MRI
D. X-Ray
Submitted by: Abid Hussain
_________ is the atmospheric layer that absorbs most of the ultraviolet radiation that Earth receives from the Sun.
A. Troposphere
B. Stratosphere
C. Mesosphere
D. Ionosphere
Submitted by: Muhammad Abdullah
In general, Comets have __________ orbits
A. Elliptical
B. Highly elliptical
C. Circular
D. Parabolic