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Consider a mass-spring system where a 4 kg mass is attached to a massless spring of constant k 196 N/m; the system is set to oscillate on a frictionless, horizontal table. The mass is pulled 25 cm away from the equilibrium position and then released. (2 ...

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by JeeNeetQnA in Physics and Measurement asked Mar 20 21 views

Find out dimension of 1/4πε0 e2/hc where e : electronic charge, ε0 = permittivity of free space, h : plank constant

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by JeeNeetQnA in Dual Nature of Matter and Radiation asked Mar 20 31 views

Proton and electron are moving along circular path with same speed. Find out ratio of debroglie wavelength that is λe/λp

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by JeeNeetQnA in Wave Optics asked Mar 20 33 views

Sun light is diffracted through a circular aperture of diameter 0.1μm. If diameter is slightly increased then

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by JeeNeetQnA in Communication Systems asked Mar 20 35 views

In an amplitude modulated wave, message wave frequency fm and carrier wave frequency fc. Find out wavelength

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by JeeNeetQnA in Some p - Block Elements asked Mar 10 38 views

In B2H6 ....

In B2H6 (1) BH3 is a lewis base (2) External B-H bonds have less p-character (3) All bond angles are 120° (4) B-H-B bonds are not identical

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by JeeNeetQnA in General Principles and Processes of Isolation of Elements asked Mar 10 38 views

Quantities plotted on y & x-axis on Ellingham diagram are

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by JeeNeetQnA in Polymers asked Mar 10 29 views

Which among the following is true ?

Which among the following is true ? (1) Buna-N is a natural polymer (2) Buna-N's manufacture requires nascent oxygen (3) Neoprene is addition co-polymer and used in bucket formation (4) Buna-S is straight linear polymer and is thermosetting plastic

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by JeeNeetQnA in Environmental Chemistry asked Mar 10 77 views

Statement -1: An allotrope of oxygen is responsible for reducing smog. Statement -2: Oxides of nitrogen and sulphur

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by JeeNeetQnA in Biomolecules asked Mar 10 11 views

Lactose contains which carbon Link between galactose and glucose

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by JeeNeetQnA in Co-ordinate Geometry asked Mar 4 40 views

A curve y = ax2 + bx + c passing through the point (1, 2) has slope at origin equal to 1. then ordered triplet (a, b, c)

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by JeeNeetQnA in Trigonometry asked Mar 4 153 views

A aeroplane is flying horizontally with speed of 432 km/hr at height h meter from ground. Its angle of elevation

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