Calculate the velocity ratio of a screw jack of pitch 0.2cm if the length of…
Calculate the velocity ratio of a screw jack of pitch 0.2cm if the length of the tommy bar…
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Water and Kerosine are drawn respectively into the two limbs of a Hare’s apparatus. The…
Water and Kerosine are drawn respectively into the two limbs of a Hare’s apparatus. The destiny of water…
When a girl moves towards a plane mirror at a speed of 4.0m/s, the distance…
When a girl moves towards a plane mirror at a speed of 4.0m/s, the distance between the girl…
One newton × One meter equals?
One newton × One meter equals? A. One water B. One Joule C. One ampere D. One kilogram…
Radio waves belongs to the class of waves whose velocity is about
Radio waves belongs to the class of waves whose velocity is about A. 340m/s B. 3 × 10(^{6})…
An a.c of 1A at a frequency of 800 cycles per second flows through a…
An a.c of 1A at a frequency of 800 cycles per second flows through a coil, the inductance…
In semi-conductor, the carriers of current at room temperature are
In semi-conductor, the carriers of current at room temperature are A. electrons only B. electrons and holes C.…
The mass of a nucleus is the
The mass of a nucleus is the A. total number of its proton & neutrons B. number of…
Three resistors with resistance 200Ω, 500Ω and 1kΩ are connected in series. A 6v battery…
Three resistors with resistance 200Ω, 500Ω and 1kΩ are connected in series. A 6v battery is connected to…
Neutrons were discovered by
Neutrons were discovered by A. Faraday B. Dalton C. James Chadwick D. Rutherford Correct Answer: Option C Explanation…