Download App

Electromagnetic Waves — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsElectromagnetic Waves1 Mark
Question
Name the electromagnetic radiations used for viewing objects through haze and fog.
✓

Answer

Infrared rays are used for viewing objects through haze and fog.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "1 Marks Question" from Electromagnetic Waves→Electromagnetic Waves — all question types→Physics STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

A sample of $\text{HCI}$ gas is placed in an electric field of $2.5 \times 10^4NC^{-1}.$ The dipole moment of each $\text{HCI}$ molecule is $3.4 \times 10^{-30}Cm.$ Find the maximum torque that can act on a molecule.
→
In Regnault's apparatua for measuring specific heat capacity of a solid, there is an inlet and an outlet in the steam chamber. The inlet is near the top and the outlet is near the bottom. Why is it better than the opposite choice where the inlet is near the bottom and the outlet is near the top?
→
Write two important conclusions about nature of nuclear forces.
→
When light travels from an optically denser medium to a rarer medium, why does the critical angle of incidence depend on the colour of light?
→
Sometimes it is said that "heat is developed" in a resistance when there is an electric current in it. Recall that heat is defined as the energy being transferred due to temperature difference. Is the statement in quotes technically correct?
→
"For any charge configuration, equipotential surface through a point is normal to the electric field." Justify.
→
Define the term “threshold frequency”, in the context of photoelectric emission.
→
When a current of 2 A is passed through a coil, then magnetic flux of magnitude 40 milli $W b$ is obtained. What is self-induction of the coil?
→
The frequency of oscillation of the electric field vector of a certain electromagnetic wave is $5 \times 1014\ Hz.$ What is the frequency of oscillation of the corresponding magnetic field vector and to which part of the electromagnetic spectrum does it belong?
→
Define the S.1. unit of electric charge (coulomb).
→