List of practice Questions

The sum value of the series $ \frac{3}{4} +\frac{5}{36} +\frac{7}{144} +\frac{9}{400} + ...\infty $ is

The normality of 10% (w/v) of acetic acid is

Radii of two conducting circular loops are b and a respectively where b > > a. Centers of both loops coincide but planes of both loops are perpendicular to each other. The value of mutual inductance for these loops

A big water drop is formed by the combination of ?n? small water drops of equal radii. The ratio of the surface energy of ?n' drops to the surface energy of big drop is

A flywheel at rest is to reach an angular velocity of 24 rad/s in 8 second with constant angular acceleration. The total angle turned through during this interval is

$2^{1/4}. 2^{2/8}. 2^{3/16}. 2^{4/32}......\infty$ is equal to-

Two plano-concave lenses $(1$ and $2)$ of glass of refractive index $1.5$ have radii of curvature $25 \,cm$ and $20 \,cm$. They are placed in contact with their curved surface towards each other and the space between them is filled with liquid of refractive index $4/3$. Then the combination is

A sonometer wire resonates with a given tuning fork forming standing waves with five antinodes between the two bridges when a mass of $9 \,kg$ is suspended from the wire. When this mass is replaced by a mass $M$, the wire resonates with the same tuning fork forming three antinodes for the same positions of the bridges. The value of $M$

The correct order of basic strength of the following are

In the reaction,

In the given reaction (B) is

Polymer formation from monomers starts by

Which of the following coordination compounds would exhibit optical isomerism ?

On hydrolysis of starch, we finally get

Which of the following sodium compound/compound(s) are formed when an organic compound containing both nitrogen and sulphur is fused with sodium ?

The velocity of a particle executing a simple harmonic motion is $13\, ms^{-1}$, when its distance from the equilibrium position (Q) is 3 m and its velocity is $12 \, ms^{-1}$, when it is 5 m away from The frequency of the simple harmonic motion is

Which colour of light is most effective for photo synthesis?

A vessel of depth 2d cm is half filled with a liquid of refractive index $\mu_{1}$ and the upper half with a liquid of refractive index$\mu_{2}$. The apparent depth of the vessel seen perpendicularly is

Hot stage microscopy is an important tool in preformulation studies for the study of

Among the following, correct statement is :

A gene whose expression helps to identify transformed cell is known as :

Which statements is wrong for Krebs' cycle ?

The pivot joint between atlas and axis is a type of :

Which of the following is dependent on temperature?

During DNA replication, Okazaki fragments are used to elongate:

Both lithium and magnesium display several similar properties due to the diagonal relationship; however, the one which is incorrect, is :