Class 11 QAD

A long cylindrical conductor has length 1 m and is surrounded by a coaxial cylindrical conducting shell with inner radius double that of long cylindrical conductor. Calculate the capacitance for this capacitor assuming that is vacuum in space between cylinders.

A long cylindrical conductor has length 1 m and is surrounded by a coaxial cylindrical conducting shell with inner radius double that of long cy…

An explorer walks 22 km in a northerly direction and then walks in a direction 60 degrees south of east for 47 km. How far is she from where she started?

Suppose explorer start from origin $A$ $A…

A 300V battery is connected across capacitors of 3uF and 6µF in parallel. Calculate the energy stored in each capacitor.

Question: A 300V battery is connected across capacitors of 3uF and 6µF in parallel. Calculate the energy stored in each capacitor.…

Friction: Static, Kinetic, and Impending Motion Explained

Friction and Impending Motion Friction Friction is a force that opposes the relative motion or attempts to ini…

Using First Principle, Find Derivative of log(Cos x).

The derivative of a function $f(x)$ by the first principle of derivatives is defined to be the following limit: $f'(x)=\dfrac{d}{dx}(f(x))$ $=…

How do increase in temperature and pressure affect the equilibrium of the following reaction: ${N_2}(g) + {H_2}(g) \mathbin{\lower.3ex\hbox{$\buildrel\textstyle\rightarrow\over{\smash{\leftarrow}\vphantom{_{\vbox to.5ex{\vss}}}}$}} 2N{H_3}(g){\rm{ + Heat}}$

Question: How do increase in temperature and pressure affect the equilibrium of the following reaction: ${N_2}(g) + {H_2}(g) \mathbin{\lower.3ex\…

Why HNO₃ is used as oxidizing agent?

Solution: Nitrogen can have oxidation numbers from −3 to +5. The oxidation number of nitrogen in HNO 3 is +5. Thus, increase in oxidation number be…

The hydroxide of alkaline earth metal are relatively less basic than hydroxide of alkali metal of same period why?

Solution: The hydroxides of alkaline earth metals are less basic than the hydroxides of alkali metals because of several reasons. Alkali metals form…

Difference between for loop and while loop in C. | NEB Board Exam Class 12

Major Difference for loop while loop for (initialization; condition; increment/decrement) { statement(s); } …

$A microscope is focused on a scratch on the bottom of a beaker. Turpentine is poured into the beaker to a depth of 4 cm, and it is found necessary to raise the microscope through a vertical distance of 1.25 cm to bring the scratch again into focus. Find the refractive index of turpentine.$

A microscope is focused on a scratch on the bottom of a beaker. Turpentine is poured into the beaker to a depth of 4 cm, and it is found necessary to raise the microscope through a vertical distance of 1.25 cm to bring the scratch again into focus. Find the refractive index of turpentine.

Question Collected from Telegram Group.

Both Rutherford and Bohr have great contribution to give atomic model, i. What was the main discovery of Rutherford alpha rays scattering experiment? ii. What is the condition for the origin of spectra? iii. Name the series of spectra and different colors which belong to visible range.

Question Collected from Telegram Group.

A Ray of a light incident on the equilateral prism of retractive index 1.5 at an angle 45<sup>∘</sup> calculate the angle of deviation does this represent minimum deviation?

A Ray of a light incident on the equilateral prism of retractive index 1.5 at an angle 45^∘ calculate the angle of deviation does this represent minimum deviation?

A Ray of a light incident on the equilateral prism of retractive index 1.5 at an angle 45∘ calculate the angle of devi…

Three equal charges 1.8*10-6 C each are located at the corners of an equilateral triangle ABC of each side 10 cm. Calculate the electric potential due to these charges at the midpoint of AB.

Solution: As we know that electric potential is a scalar quantity Since the potential due to all charges is a scalar sum of potential due to all …

Nepali Educate - Educational Resources for Class 11 & 12 Students

A long cylindrical conductor has length 1 m and is surrounded by a coaxial cylindrical conducting shell with inner radius double that of long cylindrical conductor. Calculate the capacitance for this capacitor assuming that is vacuum in space between cylinders.

An explorer walks 22 km in a northerly direction and then walks in a direction 60 degrees south of east for 47 km. How far is she from where she started?

A 300V battery is connected across capacitors of 3uF and 6µF in parallel. Calculate the energy stored in each capacitor.

Friction: Static, Kinetic, and Impending Motion Explained

Using First Principle, Find Derivative of log(Cos x).

How do increase in temperature and pressure affect the equilibrium of the following reaction: ${N_2}(g) + {H_2}(g) \mathbin{\lower.3ex\hbox{$\buildrel\textstyle\rightarrow\over{\smash{\leftarrow}\vphantom{_{\vbox to.5ex{\vss}}}}$}} 2N{H_3}(g){\rm{ + Heat}}$

Why HNO₃ is used as oxidizing agent?

The hydroxide of alkaline earth metal are relatively less basic than hydroxide of alkali metal of same period why?

Difference between for loop and while loop in C. | NEB Board Exam Class 12

A microscope is focused on a scratch on the bottom of a beaker. Turpentine is poured into the beaker to a depth of 4 cm, and it is found necessary to raise the microscope through a vertical distance of 1.25 cm to bring the scratch again into focus. Find the refractive index of turpentine.

Both Rutherford and Bohr have great contribution to give atomic model, i. What was the main discovery of Rutherford alpha rays scattering experiment? ii. What is the condition for the origin of spectra? iii. Name the series of spectra and different colors which belong to visible range.

A Ray of a light incident on the equilateral prism of retractive index 1.5 at an angle 45^∘ calculate the angle of deviation does this represent minimum deviation?

Balance KMnO4 + KCl + H2SO4 → K2SO4 + MnSO4+Cl2+H2O Reaction by oxidation state change method?

What mass of potassium hydroxide, KOH, is required to make 250cm3 of 0.5M solution?

16.8 g of NaHCO3 when heated produces 9 g of Na2CO3 according to the following reaction:

Balance the following reaction:

Write the following redox reactions using half equations:

If a circle touches x axis at (3,0) and passing through the point (2,1) then its equation is

Describe the principle involved in the electrolysis of molten sodium chloride.

Three equal charges 1.8*10-6 C each are located at the corners of an equilateral triangle ABC of each side 10 cm. Calculate the electric potential due to these charges at the midpoint of AB.

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