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Which phrase would be incorrect to use:
(1)A molecular of a compound
(2)A molecule of an element
(3)An atom of an element
(4)None of these
Ans: (2)A molecule of an element
A cylinder having 1.00 g of water at the boiling point is heated until all the water turns into steam. The expanding steam pushes a piston 0.365 m. There is a 215-N frictio
Which of the following colours of visible light has the longest wavelength? Is it: a) Violet b) Green c) Yellow d) Red Ans: Red colour of visible light h
physical significance
What are the types of optical fibres? Types of Optical fibres: Optical fibres are categorized within three main types based onto: I. Material II. The number of modes a
A physics student performs a double-slit diffraction experiment on an optical bench, as shown in the figure below. The light from a helium-neon laser has a wavelength of 632.8
Define the Magnets Magnets work according to rules similar to electric charges. All magnets have two poles, north (actually north-seeking) and south poles. Like poles repel and
Q. Define: optic axis of a crystal. In a double refracting crystal there is a particular direction in which both the rays travel with same velocity. This direction is called a
Q. What is the neutron? Answer:- A neutron is a subatomic particle it's one of the building blocks of the atom. It has a mass of in relation to 1.675 x 10-27 kg. Its spin
with surface charge density sigma
Describe an actual situation that would give rise to the free body diagram
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