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Total Questions : 71 | Page 6 of 8 pages
Question 51. Determine the spectral existence of a black body if the absolute temperature can be given as 300K.
  1.    1968*10⁻¹¹ W/sq. m
  2.    1689*10⁻¹¹ W/sq. m
  3.    6298*10⁻¹¹ W/sq. m
  4.    1698*10⁻¹¹ W/sq. m
 Discuss Question
Answer: Option D. -> 1698*10⁻¹¹ W/sq. m
Answer: (d).1698*10⁻¹¹ W/sq. m
Question 52. Determine the spectral existence of a body by using plank’s law, if the wave length is given as 456m and the absolute temperature is 765K.
  1.    3.6*10³⁰ W / sq. m
  2.    4.6*10³⁰ W / sq. m
  3.    6.6*10³⁰ W / sq. m
  4.    3.6*10³⁰ W / sq. m
 Discuss Question
Answer: Option D. -> 3.6*10³⁰ W / sq. m
Answer: (d).3.6*10³⁰ W / sq. m
Question 53. From Wien’s displacement law, determine the absolute temperature if wave length is given as 0.05m.
  1.    7.8*10⁻³ K
  2.    75.8*10⁻³ K
  3.    57.25*10⁻³⁵ K
  4.    57.8*10⁻³ K
 Discuss Question
Answer: Option D. -> 57.8*10⁻³ K
Answer: (d).57.8*10⁻³ K
Question 54. Find the value of λ, if the temperature of the body is given as 560K.
  1.    4.16*10⁻¹⁴ m
  2.    6.16*10⁻¹⁴ m
  3.    5.16*10⁻¹⁴ m
  4.    5.16*10⁻⁴ m
 Discuss Question
Answer: Option C. -> 5.16*10⁻¹⁴ m
Answer: (c).5.16*10⁻¹⁴ m
Question 55. Determine the absolute temperature of the body from Stefan – Boltzmann law if spectral existence of the body is 3.55 * 10⁻¹⁰ W /sq. m.
  1.    19.58 K
  2.    1.58 K
  3.    15.58 K
  4.    1.85 K
 Discuss Question
Answer: Option B. -> 1.58 K
Answer: (b).1.58 K
Question 56. Which of the following indicates the correct set of bands operated in LISS- III satellite?
  1.    Visible ray, near IR
  2.    Near IR, radio wave
  3.    Radio wave, near IR
  4.    Far IR, near IR
 Discuss Question
Answer: Option A. -> Visible ray, near IR
Answer: (a).Visible ray, near IR
Question 57. Which among the following indicates the correct expansion of WiFS?
  1.    Wide Field Sensor
  2.    Wireless Fidelity Sensor
  3.    Wide Fidelity Sensor
  4.    Wireless Field Sensor
 Discuss Question
Answer: Option A. -> Wide Field Sensor
Answer: (a).Wide Field Sensor
Question 58. Energy flux may affect which of the following?
  1.    Lens
  2.    Strength of the signal
  3.    Aperture
  4.    Declination
 Discuss Question
Answer: Option B. -> Strength of the signal
Answer: (b).Strength of the signal
Question 59. Which of the following can merge the imagery of LISS-III and PAN?
  1.    IRS 1B
  2.    IRS 1A
  3.    IRS 1C
  4.    IRS multi sensor
 Discuss Question
Answer: Option D. -> IRS multi sensor
Answer: (d).IRS multi sensor
Question 60. Strength of signal doesn’t depend upon which of the following factors?
  1.    Energy flux
  2.    Dwell time
  3.    Altitude
  4.    Reflection
 Discuss Question
Answer: Option D. -> Reflection
Answer: (d).Reflection

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