All India SSC JE Group

The value of solar constant is
  • a)
    140 Wm-2
  • b)
    1.4 Wm-2
  • c)
    1.4 kWm-2
  • d)
    1.4 MWm-2
Correct answer is option 'C'. Can you explain this answer?

Sagar Sharma answered  •  1 hour ago
Understanding the Solar Constant
The solar constant is the measure of the amount of solar electromagnetic radiation per unit area that is received by the Earth's atmosphere when the sun is at its average distance from the Earth.
Value of the Solar Constant
- The solar constant is approximately 1.4 kW/m² (kilowatts per square meter).
- This value reflects t
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Which of the following is NOT a Vedanga?
  • a)
    Siksha
  • b)
    Kalpa
  • c)
    Mundaka
  • d)
    Chanda
Correct answer is option 'C'. Can you explain this answer?

Sagar Sharma answered  •  4 hours ago
Understanding Vedanga
Vedanga refers to the six auxiliary disciplines associated with the study of the Vedas in ancient Indian philosophy. These disciplines are essential for understanding, interpreting, and preserving the Vedic texts.
List of Vedangas
The six Vedangas are:
- Siksha: The study of phonetics and pronunciation.
- Kalpa: The study
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A boat travels 32 km downstream in 4 hours and 24 km upstream in 6 hours. What is the speed (in km/hr) of boat in still water?
  • a)
    2
  • b)
    4
  • c)
    6
  • d)
    8
Correct answer is option 'C'. Can you explain this answer?

Sagar Sharma answered  •  18 hours ago
Understanding the Problem
To find the speed of the boat in still water, we first need to determine its speed downstream and upstream.
Given Data
- Distance traveled downstream = 32 km
- Time taken downstream = 4 hours
- Distance traveled upstream = 24 km
- Time taken upstream = 6 hours
Calculating Speeds
- Downstream Speed (S1):
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