A car travels due east on a level road for 3 km. it then turns the North at an intersection and travels 4 km before stopping.The magnitude of the resultant displacement of car is
A two-slit arrangement is set up to produce an interference pattern on a screen. The fringes are too close together for convenient observation. How could the distance between them be increased?
The beaker contains slurry of ice and water, the three thermometers Fahrenheit, Kelvin and centigrade placed init. the thermometers are represented as A, B and C respectively, On which thermometer the lowest reading will be?
The molecular mass of a polymer is obtained by multiplying mass of the monomer unit the degree of polymerization. The degree of polymerization of PVC is 1000. What is molecular mass
Rise in vapour pressure of water from 30 to 60°C is only 32 torr to 149.4 torr (117.4 torr) but from 60 to 90°C is 149.4 to 527.8 torr (378.4 torr).it is due to
The accident victim was very grateful to the hospital that had saved his life but viewed his insurance company with suspicion out of fear that it will refuse to pay his claim and very expensive medical bills
Museum director Hoving _______ refers to the smuggled Greek urn as the "hot pot", not because there are doubts about its authenticity or even great reservations as to its price, but because its _________ of acquisition is open to question.
Having discovered the Roman aristocrats to be suffering from lead poisoning it is now thought that this was a major cause of their inability to reproduce
The text as we have them were written down and edited carefully by Christians proud of their ancestors but unable to bear the thought of their indulging in heathen practices; thus, all references to the ancient religion of the Celts were ______, if not ______