Physics - Section 1 | Multiple Questions and Answers

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Physics - Section 1 Multiple Questions and Answers.

66.	Radiocarbon dating technique is used to estimate the age o

	A.	rocks
	B.	monuments
	C.	soil
	D.	fossils

67.	Identify the vector quantity from the following

	A.	heat
	B.	Angular momentum
	C.	time
	D.	work

68.	Large astronomical telescopes always use as objective

	A.	lens
	B.	mirror
	C.	combinations of lenses
	D.	None of the above

69.	One should not connect a number of electrical appliances to the same power socket because

	A.	the densities of the liquid in the two vessels are equal
	B.	this can damage the domestic wiring due to overloading
	C.	this can damage the electrical meter
	D.	the appliance will not get full voltage

70.	Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this? I. Diffusion II. Refraction III. Internal reflection

	A.	I, II and III
	B.	I and II
	C.	II and III
	D.	I and III

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