Electromagnetic spectrum contains : gamma rays (wave length < 10-10 m) ultraviol

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Question
Electromagnetic spectrum contains :
Options
A. gamma rays (wave length < 10^-10 m)
B. ultraviolet rays (wave length < 10^-6 m)
C. infrared rays (wave length < 10^-4 m)
D. radio rays (wave length > 1 m)
E. All of these

Correct Answer

All of these

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3. The ratio of the total solar radiant energy returned by a planetary body to the total radiant energy incident on the body, the called:
Options
A. reflectance
B. reflectance factor
C. albedo
D. none of these

4. Consider the following statements regarding the satellite imaging :
1. The satellite orbit is fixed in the inertial space
2. During successive across-track imaging, the earth rotates beneath the sensor
3. The satellite images a skewed area
Which one of the following statements is/are correct?
Options
A. 1, 2, 3
B. 1, 3
C. 2, 3
D. 1, 2

9. Which one of the following statement is incorrect regarding the electromagnetic radiation?
Options
A. These are produced by the motion of electric charge
B. The oscillation of charged particles sets up changing electric fields.
C. The changing electric fields induce the changing magnetic fields in the surrounding medium.
D. None of these

10. Which one of the following statements is correct?
Options
A. Each satellite of the GPS system transmits two L band signals.
B. The two L band signals are modulated by the Pseudorandom binary codes (PN).
C. The GPS receiver reads the specific code of the satellite.
D. The PN code determines the time taken by the receiver to reach the receiver which is converted into distance
E. All of these

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