PW Solutions

Latest Videos

$If two similar spring each of spring constant \K_1\ are joined in series the new spring const....$

If two similar spring each of spring constant \K_1\ are joined in series the new spring const....

$Let \* \square \in\{\wedge \vee\}\ be such that the Boolean expression \p * \sim q \Right....$

Let \* \square \in\{\wedge \vee\}\ be such that the Boolean expression \p * \sim q \Right....

Consider a frame that is made up of two thin massless rods AB and AC as shown in the figure. A v....

Consider a frame that is made up of two thin massless rods AB and AC as shown in the figure. A v....

&nbspFor a concentrated solution of a weak electrolyte&nbspKeq = equilibrium constant&nbspA2....

&nbspFor a concentrated solution of a weak electrolyte&nbspKeq = equilibrium constant&nbspA2....

$The value of expression \ \sum_{\theta=0}^{8} \frac{1}{1+\tan ^{3}10 \theta^{\circ}} \ equal...$

The value of expression \ \sum_{\theta=0}^{8} \frac{1}{1+\tan ^{3}10 \theta^{\circ}} \ equal...

$Let \ A=\{x \in Rx+12\} \ and \ B=\{x \in Rx-12\} \. Then which one of the following s...$

Let \ A=\{x \in Rx+12\} \ and \ B=\{x \in Rx-12\} \. Then which one of the following s...

$A person moved from \ A \ to \ B \ on a circular path as shown in figure. If the distance tr...$

A person moved from \ A \ to \ B \ on a circular path as shown in figure. If the distance tr...

A helicopter rises from rest on the ground vertically upwards with a constant acceleration g. A ...

A helicopter rises from rest on the ground vertically upwards with a constant acceleration g. A ...

$A ball is projected from the ground with a speed \ 15 \mathrm{ms}^{-1} \ at an angle 0 with h...$

A ball is projected from the ground with a speed \ 15 \mathrm{ms}^{-1} \ at an angle 0 with h...

$A ball is thrown vertically upwards with a velocity of \ 19.6 \mathrm{ms}^{-1} \ from the top...$

A ball is thrown vertically upwards with a velocity of \ 19.6 \mathrm{ms}^{-1} \ from the top...

$A plane flying horizontally at a height of \ 1500 \mathrm{m} \ with a velocity of \ 200 \mat...$

A plane flying horizontally at a height of \ 1500 \mathrm{m} \ with a velocity of \ 200 \mat...

$A body moves in circular path of radius \ R \ from \ A \ to \ B \ as shown. Its displaceme...$

A body moves in circular path of radius \ R \ from \ A \ to \ B \ as shown. Its displaceme...

$An aeroplane flies from \ P-4 \mathrm{m}-5 \mathrm{m}+8 \mathrm{m} \ to \ Q \ \ 7 \...$

An aeroplane flies from \ P-4 \mathrm{m}-5 \mathrm{m}+8 \mathrm{m} \ to \ Q \ \ 7 \...

वियना संधि क्या थी? इस संधि के प्रमुख उदेश्य व व्यवस्थाओ का वर्णन कीजिये नेयोलियन बोनापार्ट ने ...

वियना संधि क्या थी? इस संधि के प्रमुख उदेश्य व व्यवस्थाओ का वर्णन कीजिये नेयोलियन बोनापार्ट ने ...

Write a note on 1.Giuseppe Mazzini 2. Count Camillo de Cavour 1 Giuseppe Mazzini- Giuseppe Maz...

Write a note on 1.Giuseppe Mazzini 2. Count Camillo de Cavour 1 Giuseppe Mazzini- Giuseppe Maz...

$A bullet emerges from a barrel of length 1.2 m with a speed of \ 640 \mathrm{ms}^{-1} \. Assu...$

A bullet emerges from a barrel of length 1.2 m with a speed of \ 640 \mathrm{ms}^{-1} \. Assu...

$Insulin contains \ 3.4 \% \ sulphur by mass. What will be the minimum molecular weight of insu...$

Insulin contains \ 3.4 \% \ sulphur by mass. What will be the minimum molecular weight of insu...

$An elevator car whose floor to ceiling distance is equal to \ 3.8 \mathrm{m} \ starts ascend...$

An elevator car whose floor to ceiling distance is equal to \ 3.8 \mathrm{m} \ starts ascend...

$A 100 watt bulb emits monochromatic light of wavelength \ 400 \mathrm{nm} \. Calculate the nu...$

A 100 watt bulb emits monochromatic light of wavelength \ 400 \mathrm{nm} \. Calculate the nu...

$Two forces whose magnitude are in the ratio \ 9 11 \ give a resultant of \ 38 \mathrm{N} \...$

Two forces whose magnitude are in the ratio \ 9 11 \ give a resultant of \ 38 \mathrm{N} \...

$Let \ S=\{1234\} \. Then the number of elements in the set \ \{f S \times S \rightarrow S...$

Let \ S=\{1234\} \. Then the number of elements in the set \ \{f S \times S \rightarrow S...

$As shown in the figure in steady state the charge stored in the capacitor is \ \times 10^{-6}...$

As shown in the figure in steady state the charge stored in the capacitor is \ \times 10^{-6}...

$A long cylindrical volume contains a uniformly distributed charge of density \ \rho \. The rad...$

A long cylindrical volume contains a uniformly distributed charge of density \ \rho \. The rad...

$In the figure a very large plane sheet of positive charge is shown. \ P_{1} \ and \ P_{2} \...$

In the figure a very large plane sheet of positive charge is shown. \ P_{1} \ and \ P_{2} \...

$Three identical charged balls each of charge \ 2 \mathrm{C} \ are suspended from a common poin...$

Three identical charged balls each of charge \ 2 \mathrm{C} \ are suspended from a common poin...

$Two point charges of \ 30 \mu \mathrm{C} \ and \ 40 \mu \mathrm{C} \ are placed \ 0.2 \math...$

Two point charges of \ 30 \mu \mathrm{C} \ and \ 40 \mu \mathrm{C} \ are placed \ 0.2 \math...

$Two point charges \ -q \ and \ \frac{q}{2} \ are situated at the origin and at the point \ ...$

Two point charges \ -q \ and \ \frac{q}{2} \ are situated at the origin and at the point \ ...

The number of hexagonal faces that are present in a truncated octahedron is

The number of hexagonal faces that are present in a truncated octahedron is

$The equation of a wave is given by \y=A \sin \omega\left\frac{x}{v}-k\right\ where \ \omeg...$

The equation of a wave is given by \y=A \sin \omega\left\frac{x}{v}-k\right\ where \ \omeg...

$\ 4.0 \mathrm{g} \ of caustic soda \ \mathrm{NaOH} \ mol mass 40 contains same number o...$

\ 4.0 \mathrm{g} \ of caustic soda \ \mathrm{NaOH} \ mol mass 40 contains same number o...

$Charges on two spheres are \ +10 \mu \mathrm{C} \ and \ -5 \mu \mathrm{C} \ respectively. Th...$

Charges on two spheres are \ +10 \mu \mathrm{C} \ and \ -5 \mu \mathrm{C} \ respectively. Th...

$The total number of protons in \ 10 \mathrm{g} \ of calcium carbonate is \ \leftN_{0}=6.023...$

The total number of protons in \ 10 \mathrm{g} \ of calcium carbonate is \ \leftN_{0}=6.023...

$The number of molecule at NTP in \ 1 \mathrm{ml} \ of an ideal gas will be 1 \ 6 \times 10^...$

The number of molecule at NTP in \ 1 \mathrm{ml} \ of an ideal gas will be 1 \ 6 \times 10^...

$A \ 100 \mathrm{g} \ sample of Haemoglobin on analysis was found to contain \ 0.34 \% \mathr...$

A \ 100 \mathrm{g} \ sample of Haemoglobin on analysis was found to contain \ 0.34 \% \mathr...

What is soil erosion ? Explain the major types of soil erosions prevailing in India.

What is soil erosion ? Explain the major types of soil erosions prevailing in India.

Find the smallest number which when divided by 28 and 32 leaves remainders 8 and 12 respectively.

Find the smallest number which when divided by 28 and 32 leaves remainders 8 and 12 respectively.

$If isotopic distribution of C-12 ad C-14 is \ 98 \% \ and \ 2 \% \ respectively then the nu...$

If isotopic distribution of C-12 ad C-14 is \ 98 \% \ and \ 2 \% \ respectively then the nu...

$The maximum electric field intensity on the axis of a uniformly charged ring of charge \ \mathr...$

The maximum electric field intensity on the axis of a uniformly charged ring of charge \ \mathr...

$The number of water molecules in 1 litre of water is 1 18 2 \ 18 \times 1000 \ 3 \ N_{A...$

The number of water molecules in 1 litre of water is 1 18 2 \ 18 \times 1000 \ 3 \ N_{A...

$Find a unit vector perpendicular to both the vectors \ 2 \hat{i}+3 \hat{j}+\hat{k} \ and \ ...$

Find a unit vector perpendicular to both the vectors \ 2 \hat{i}+3 \hat{j}+\hat{k} \ and \ ...

$\ 1 \mathrm{g} \-atom of nitrogen represents a. \ 6.02 \times 10^{23} \mathrm{N}_{2} \ mo...$

\ 1 \mathrm{g} \-atom of nitrogen represents a. \ 6.02 \times 10^{23} \mathrm{N}_{2} \ mo...

$Henrys law constant for \ \mathrm{CO}_{2} \ in water is \ 1.67 \times 10_{8} \mathrm{Pa} \ ...$

Henrys law constant for \ \mathrm{CO}_{2} \ in water is \ 1.67 \times 10_{8} \mathrm{Pa} \ ...

Balance the equation Hydrogen sulphide gas burns in air to give water and sulphur dioxide.

Balance the equation Hydrogen sulphide gas burns in air to give water and sulphur dioxide.

$Write a report on the Craft Exhibition in your school in about \...$

Write a report on the Craft Exhibition in your school in about \...

$Two equal charges are separated by a distance \ d \. A third charge placed on a perpendicular ...$

Two equal charges are separated by a distance \ d \. A third charge placed on a perpendicular ...

A toy car with charge q moves on a frictionless horizontal plane surface under the influence of ...

A toy car with charge q moves on a frictionless horizontal plane surface under the influence of ...

$The displacement of a body executing SHM is given by \ x=A \sin 2 \pi t+\pi 3 \. The first...$

The displacement of a body executing SHM is given by \ x=A \sin 2 \pi t+\pi 3 \. The first...

$The ratio of mass percent of \ \mathrm{C} \ and \ \mathrm{H} \ of an organic compound \ \le...$

The ratio of mass percent of \ \mathrm{C} \ and \ \mathrm{H} \ of an organic compound \ \le...

How will you convert 10 joule into erg using dimensional analysis? ...

How will you convert 10 joule into erg using dimensional analysis? ...

$Let \ fx=\leftx^{2}\right-x^{2} \ where . denotes the gr...$

Let \ fx=\leftx^{2}\right-x^{2} \ where . denotes the gr...