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Start learning 50% faster. Sign in nowBox C is kept at 4th position from the bottom. Two boxes are kept between box D and box C. Box F is kept adjacent to box D. Box G is kept immediately above box B, which is kept on an even-numbered position
Which of the following is the ultimate source of energy?
A nucleus with mass number A and atomic number Z undergoes β⁻ decay. Which of the following is correct about the daughter nucleus?
Mirror formula is
A particle is projected such that its velocity vector sweeps equal angles with horizontal at equal time intervals. The motion is best described as:
A uranium nucleus undergoes fission and releases 200 MeV per event. If 1 gram undergoes complete fission, the energy released in kWh is:
A person throws a ball from ground level at speed u and angle θ. The ball reaches maximum height H and range R. What is the ratio H/R?
Which of the following electromagnetic waves are used for detection like Geiger tubes?
A metallic conductor of circular cross-section has radius R. If current density varies as J = Jₒ(1−r/R), the total current through the conductor is:...
Which law states that “an object remains at rest or in uniform motion unless acted upon by an external force”?
A capacitor of 4 µF is charged to 100 V. It is then connected across an uncharged 2 µF capacitor. Final common voltage is: