Find the power of a convex lens if the image formed is at a distance of 20 cm from the lens when the object is placed on the other side of the lens at 25 cm from the optical centre?
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A sound wave has a frequency of 4 kHz and a wavelength of 40 cm. The time taken by the sound wave to travel a distance of 3.2 km is
Minamata disease is a nervous disorder caused by eating fish, polluted with _____
Which industrial revolution can be called the Digital Revolution?
Part IV of constitution of India deals with which of the following?
The Rajya Sabha members are elected for a term of _____ years.
In which language, Lok Sabha debates are printed?
The number of seats of Lok Sabha was increased from 525 to ___ in 1973.
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