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हिन्दी भाषाओ में अन्यदेशीय या विदेशी भाषाओ के शब्द ग्रहण किये गए हैं , इन्हे विदेशज शब्द कहते हैं। 'पुलिस' अंग्रेजी भाषा का शब्द है।
Which of the following electromagnetic waves are used for detection like Geiger tubes?
A boy is standing in front of a plane mirror at a distance of 3 m from it. What is the distance between the boy and his image?
A convex mirror and a concave mirror face each other at a distance of 30 cm. A point object is placed midway. The final image formed by double reflectio...
In a refrigerator, the cooling system should always be –
An electric motor converts _____ energy to mechanical energy.
Angle of friction and angle of repose are
A galvanometer coil has a resistance of 14 Ω and the metre shows full scale deflection for a current of 4 mA. How will you convert the metre into a vo...
The stopping potential for photoelectrons emitted from a metal surface when light of frequency 8×1014 Hz is incident is 3 V. What is the wo...
Half-life of a radioactive substance is 10 days. The time after which only 1/16th of it remains is:
Gauss's law is applicable only to: