A near sighted student has a near point of 0.1m and a focal length of…
A near sighted student has a near point of 0.1m and a focal length of 5.0cm. What is…
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An object is weighted at different locations on the earth. What will be the right…
An object is weighted at different locations on the earth. What will be the right observation? A. Both…
The radioisotope ( ^{235}_{92}U ) decays by emitting two alpha particles, three beta particles and…
The radioisotope ( ^{235}_{92}U ) decays by emitting two alpha particles, three beta particles and a gamma ray.…
A radioactive substance has a half life of 20 days. What fraction of the original…
A radioactive substance has a half life of 20 days. What fraction of the original radioactive nuclei will…
A progressive wave is represented by ( y = 10 text{Sin} (1000pi t – frac{pi…
A progressive wave is represented by ( y = 10 text{Sin} (1000pi t – frac{pi x}{34}) ) .…
Lenz’s law is a law of conservation of
Lenz’s law is a law of conservation of A. electric charge B. electric current C. Energy D. Momentum…
A 120V, 60W lamp is to be operated on 220V ac supply mains. calculate the…
A 120V, 60W lamp is to be operated on 220V ac supply mains. calculate the value of non…
The instrument that measures both ac and dc is called
The instrument that measures both ac and dc is called A. A current balance B. a moving coil…
two long parallel wires X and Y carry currents 3A and 5A each. if the…
two long parallel wires X and Y carry currents 3A and 5A each. if the force experienced by…
A conductor has a diameter of 1.00mm and length of 2.00m. If the resistance of…
A conductor has a diameter of 1.00mm and length of 2.00m. If the resistance of the material is…