Self Studies
Self Studies
Self Studies
Self Studies
Selfstudy
Selfstudy

Communication S...

TIME LEFT -
  • Question 1
    4 / -1

    Suppose the sun was located at the position occupied by the nearest star, say, alphacenturi 4 light years away. By what factor the solar radiation received per sec per unit area decrease

  • Question 2
    4 / -1

    If a galaxy is at a distance 430 million light years from us, determine Hubble\'s constant. Its speed being 6.48 × 106 ms–1

  • Question 3
    4 / -1

  • Question 4
    4 / -1

    A body at 1500 K° emits maximum energy at a wavelength 20,000 Å. If the Sun emits maximum energy at wavelength 5500 Å, then the temperature of Sun is

  • Question 5
    4 / -1

    The hottest type of stars are called

  • Question 6
    4 / -1

    If angular diameter of Sun is about 30’ and it\'s distance from earth is 1.5 × 1011 m, then solar diameter is

  • Question 7
    4 / -1

    The death of a star results is a neutron star if the original mass of star in terms of mass of Sun (M) is

  • Question 8
    4 / -1

    The tail of a comet points

  • Question 9
    4 / -1

    The number of stars in our solar system is

  • Question 10
    4 / -1

    In short wave communication, waves of which of the following frequencies will be reflected back by the Ionospheric layer, having electron density 1011 per m3

Submit Test
Self Studies
User
Question Analysis

  • Answered - 0

  • Unanswered - 10

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
Submit Test
Self Studies Get latest Exam Updates
& Study Material Alerts!
No, Thanks
Self Studies
Click on Allow to receive notifications
Allow Notification
Self Studies
Self Studies Self Studies
To enable notifications follow this 2 steps:
  • First Click on Secure Icon Self Studies
  • Second click on the toggle icon
Allow Notification
Get latest Exam Updates & FREE Study Material Alerts!
Self Studies ×
Open Now