A substance has half of 3 min. After 6 min, the count rate was observed…
A substance has half of 3 min. After 6 min, the count rate was observed to … Read More
A substance has half of 3 min. After 6 min, the count rate was observed to … Read More
Which of the following pairs is part of the electromagnetic spectrum? I. Radio waves II. sound waves … Read More
Which of the following instruments consumes the highest current? I. Electric iron II. Television set III. … Read More
In which of the following diagrams is the length of the tube equal to one wavelength? … Read More
In an experiment in which molten naphthalene is allowed to cool, the cooling curve i n the … Read More
In the figure, the value of R is A. 3(Omega) B. 6(Omega) C. 4(Omega) D. 5(Omega) … Read More
Two divers G and H are at depths 20m and 40m, respectively below the water surface … Read More
The fiqure above represents a block-and-tackle pulley system on which an effort of W Newtons supports … Read More
Heat is supplied uniformly at the rate of 100W to 1.0 x 10(^{-2})kg of a liquid … Read More
The lower and upper fixed points marked on a Mercury-in-glass thermometer are 210mm apart. The end … Read More