The diagram above represents a portion of a micrometer screw gauge in which the horizontal…
The diagram above represents a portion of a micrometer screw gauge in which the horizontal scale is in…
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A loaded test-tube which floats upright in water is carefully and slightly depressed and then…
A loaded test-tube which floats upright in water is carefully and slightly depressed and then released. Which of…
Which of the following is used for shielding radioactive fall-outs?
Which of the following is used for shielding radioactive fall-outs? A. Plastic B. Wood C. Textile D. Aluminium…
Which of the following is not a product of nuclear fission?
Which of the following is not a product of nuclear fission? A. Alpha particle B. Beta particle C.…
A radioactive nuclide of mass 6.09 has a half-life of 8 days. Calculate the time…
A radioactive nuclide of mass 6.09 has a half-life of 8 days. Calculate the time during which 5.25g…
A moving-coil meter with an internal resistance of 100Ω has a full-scale deflection when a…
A moving-coil meter with an internal resistance of 100Ω has a full-scale deflection when a current of 10m2…
Which of the following is a wind instrument?
Which of the following is a wind instrument? A. Guitar B. Organ C. Violin D. Piano E. Harp…
A cell of e.m.f 1.5V and internal resistance 2.552 is connected in series with an…
A cell of e.m.f 1.5V and internal resistance 2.552 is connected in series with an ammeter resistance 0.50…
What is the potential difference between X and Y in the diagram above if the…
What is the potential difference between X and Y in the diagram above if the battery is of…
Calculate the current in the 30 resistor in the diagram above if the battery is…
Calculate the current in the 30 resistor in the diagram above if the battery is of negligible internal…