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Which amendment is known as the Mini Constitution of India?

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Important Questions on Oscillations

EASY

Physics>Oscillations and Waves>Oscillations>Simple Harmonic Motion

A simple pendulum of length

L

has mass

M

and it oscillates freely with amplitude

A

. At the extreme position, its potential energy is (

g

= acceleration due to gravity)

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Physics>Oscillations and Waves>Oscillations>Simple Harmonic Motion

The weight suspended from a spring oscillates up and down. The acceleration of weight will be zero at

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Physics>Oscillations and Waves>Oscillations>Simple Harmonic Motion

A particle of mass

m

is moving along the

x - a x i s

under the potential

V (x) = \frac{k x^{2}}{2} + \frac{λ}{x^{'}}

where

k

and

x^{'}

are positive constants of appropriate dimensions. The particle is slightly displaced from its equilibrium position. The particle oscillates with the angular frequency

(ω)

given by

EASY

Physics>Oscillations and Waves>Oscillations>Simple Harmonic Motion

A particle is performing SHM starting from extreme position. Graphical representation shows that, between displacement and acceleration, there is a phase difference of

EASY

Physics>Oscillations and Waves>Oscillations>Simple Harmonic Motion

For a particle performing linear SHM, its average speed over one oscillation is (

A =

amplitude of S.H.M.,

n =

frequency of oscillation)

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Physics>Oscillations and Waves>Oscillations>Simple Harmonic Motion

Match the stages of meiosis of Column-I to their characteristic features in Column-II and select the correct option using the codes given below:

Column-I		Column–II
a.	Pachytene	(i)	The pairing of homologous chromosomes
b.	Metaphase I	(ii)	Terminalization of chiasmata
c.	Diakinesis	(iii)	Crossing-over takes place
d.	Zygotene	(iv)	Chromosomes align at the equatorial plate

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Physics>Oscillations and Waves>Oscillations>Simple Harmonic Motion

The enzyme recombinase is required at which stage of meiosis:

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Physics>Oscillations and Waves>Oscillations>Simple Harmonic Motion

Scandium is a transition element. But zinc is not. Why?

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Physics>Oscillations and Waves>Oscillations>Simple Harmonic Motion

In the long form of periodic table, all the non-metals are placed under :

EASY

Physics>Oscillations and Waves>Oscillations>Simple Harmonic Motion

The elements

X, Y, Z

and

T

have the indicated electronic configuration. Starting from the innermost shell, which is the most metallic element?

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Physics>Oscillations and Waves>Oscillations>Simple Harmonic Motion

The element, with atomic number 118, will be

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Physics>Oscillations and Waves>Oscillations>Simple Harmonic Motion

The first element of rare-earth metal is :

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Physics>Oscillations and Waves>Oscillations>Simple Harmonic Motion

Nitrogen (atomic number 7) and phosphorus (atomic number 15) belong to group 15 of the Periodic Table. Write the electronic configuration of these two elements. Which of these will be more electronegative? Why?

EASY

Physics>Oscillations and Waves>Oscillations>Simple Harmonic Motion

An element with atomic number