Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
If a 100 m long train is moving with a uniform velocity of 45 km/hr. Then find out the time taken by the train to cross a bridge of length 1 km.
58 s
68 s
78 s
88 s
Which of the following produces Electromagnetic waves?
Accelerated charge
Charge at rest
Charge in uniform motion
None of these
What do we call the material which gets strongly magnetised when placed in an external magnetic field?
Paramagnetic material
Diamagnetic material
Ferromagnetic material
Focal length of a convex lens will be maximum for
Blue light
Yellow light
Green light
Red light
What is the International System of Unit for Bulk Modulus?
N-m-3
N-m2
N-m-2
N-m3
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