The Khilafat Committee was formed in which of the following cities?
  • Calcutta
  • Bombay
  • Lahore
  • Madras
Which leader formed the Depressed Classes Association?
  • Mahatma Gandhi
  • Dr. Ambedkar
  • Maulana Azad
  • Keshavrao Jedhe
Under the Inland Emigration Act of 1859, plantation workers were not permitted to do which of the following actions?
  • Leave the tea gardens without permission
  • Unionize without permission
  • Have food without permission
  • Leave the country without permission
The song ‘Vande Mataram’ was included in which famous novel of Bankim Chandra Chattopadhyay?
  • Godan
  • Rag Darbari
  • Anandmath
  • None of the above
In the above figure, the distance between the point P and point F is
2047_image001.jpg
  • Focal length
  • Centre of curvature
  • Aperture
  • Radius of curvature
A doctor has prescribed a corrective lens of power +1.5 D to one of his patients. The focal length and the nature of the lens is
  • 6.67 cm , converging
  • - 6.67 cm , diverging
  • 66.7 cm , converging
  • - 66.7 cm , diverging
Light is refracted when it travels at an angle from water into air because
  • Its speed is decreased
  • Its speed remains the same
  • Its speed is increased
  • It is moving from a less dense medium to a denser medium.
An object 4 cm tall is placed in front of a convex lens. It produces an image 3 cm tall. What is the magnification of the lens?
  • 12
  • 0.75
  • 1.33
The distance at which an object should be placed from a thin convex lens of focal length 10 cm to obtain a virtual image of double of its size is
  • - 5 cm
  • 15 cm
  • -10cm
  • 5.5 cm
In these diagrams, the angle of refraction r has been correctly marked in which diagram?
205356_image044-300x64.jpg
  • I
  • IV
  • II
  • III
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