Question
Which of the following option is incorrect about
“Janani Suraksha Yojana”?Solution
Explanation: it is being implemented by the Ministry of Health and family welfare since 2005.
A body is projected vertically upwards with a velocity of 98 m/s. The time interval during which it is at a height greater than 392 m is:
(Take g...In a diffraction experiment using a single slit, the angular width of central maximum decreases when:
A wire is stretched by a force such that it experiences a strain of 2 x 10-3. If Young’s modulus of the material is 2 x 1011 Pa,...
A cylindrical conductor of length L and radius R has its radius increasing linearly from R at one end to 2R at the other. A constant current I flows thr...
Match the following machines with their working principles:
(i) Electric motor - (a) Heat energy into mechanical energy
(ii) Steam engin...
Two equal charges are placed at a distance d. At what point along the line joining them is the electric field zero?
The 'four stroke petrol engine' is based on –
Charges +q and –q are placed at (–d, 0) and (+d, 0). A third charge Q is placed at (0, x). For what value of x will the force on Q be maximum?
A constant retarding force of 60 N is applied to a body of mass 25 kg moving initially with a speed of 12 m s–1. How long does the body...
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