Tag: space exploration and forms of light
Questions Related to space exploration and forms of light
Choose the correct answer from the alternatives given.
Maxwell in his famouse questions of eletromagnetism introduce the concept of:
Which of the following has/have zero average value in a plane electromagnetic wave?
Which of the following ray is not electromagnetic wave?
Which of the following is not true for electromagnetic waves?
An electromagnetic wave of frequency $\upsilon = 3$ MHz passes from a vacuum into a dielectric medium with permittivity $ = 4$, Then
A plane electromagnetic wave of frequency 50 MHz travels in free space along the x-direction . At a particular point in space and time, $\overrightarrow { E } $ = 6.3 $\hat j$ V ${m}^{-1}$. At this point $\overrightarrow { B } $ is equal to
Which one of the following is a property of a monochromatic, plane electromagnetic wave in free space?
The ultra high frequency band of radiowaves in electromagnetic waves is used as in
Which of the following electromagnetic wave play an important role in maintaining the earths warmth or average temperature through the green house effect?
A plane electromagnetic wave travels in free space along X-direction. If the value of $\overrightarrow { B } $ (in tesla) at a particular point in space and time is $1.2 \times {10}^{-8} \hat {k}$, the value of $\overrightarrow { E } $ (in V ${m}^{-1}$) at that point is,