Soft drinks such as colas contain significant quantities of
Which one of the following materials is very hard and very ductile ?
Most of the explosions in mines occur due to the mixing of
The stones formed in human kidney consist mostly of
Assertion (A) : Small glass beads fixed on traffic signals glow brightly when light falls upon them. Reason…
Assertion (A) : A man standing on a completely frictionless surface can propel himself by whistling. Reason (R)…
Assertion (A) : In a motion picture, usually 24 frames are projected every second over the whole length…
When a CD (Compact Disc used in audio and video systems) is seen in sunlight, rainbow like colours…
For reproducing sound, a CD (Compact Disc) audio player uses a
The memory of a computer is commonly expressed in terms of Kilobytes or Megabytes. A byte is made…
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