Class 12th

A company has seven tasks to complete. They are:

T1 – Buy raw material

T2 – Take orders

T3 – Process raw material

T4 – Deliver finish product

T5 – Hire new recruits

T6 – Pay the bills

T7 – Pay salary

And to do these tasks it has only two days, Monday and Tuesday. Certain conditions should be followed:

The Company must do at least two tasks each day.

The company cannot start its task on Monday with T4 (deliver finish product)

Task T1 should be done either in the beginning or at the end of any of the two days. Task T3 and task T7 should be done on the same day with no task done in between them. Task T4 and task T6 cannot be

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Contributor-Level 10

Since Task T1, T4 and T5 has to be done on Monday. Therefore Task T2, T3, T6, T7 are to be done on Tuesday. Task T3 will be the first Task.

Task T7 must be the second Task according to the condition.

Task T6 must be the third Task and Task T2 will be the last Task according to the condition.

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8 months ago

A company has seven tasks to complete. They are:

T1 – Buy raw material

T2 – Take orders

T3 – Process raw material

T4 – Deliver finish product

T5 – Hire new recruits

T6 – Pay the bills

T7 – Pay salary

And to do these tasks it has only two days, Monday and Tuesday. Certain conditions should be followed:

The Company must do at least two tasks each day.

The company cannot start its task on Monday with T4 (deliver finish product)

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Contributor-Level 10

Only option (c) does not violate any of the given conditions.

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8 months ago

Directions for questions: Read the information carefully and answer the questions given below.

A company has seven tasks to complete. They are:

T1 – Buy raw material

T2 – Take orders

T3 – Process raw material

T4 – Deliver finish product

T5 – Hire new recruits

T6 – Pay the bills

T7 – Pay salary

And to do these tasks it has only two days, Monday and Tuesday. Certain conditions should be followed:

The Company must do at least two tasks each day.

The company cannot start its task on Monday with T4 (deliver finish product)

Task T1 should be done either in the beginning or at the end of any of the two days. Task T3 and tas

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Class 12th Physics Wave Optics

Contributor-Level 10

Only option (d) does not violate any of the given conditions.

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8 months ago

The light waves from two coherent sources have same intensity I₁ = I₂ = I₀. In interference pattern the intensity of light at minima is zero. What will be the intensity of light at maxima?

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alok kumar singh

Contributor-Level 10

Kindly go through the solution

$l_{m a x} = {(\sqrt[]{l_{1}} + \sqrt[]{l_{2}})}^{2} = 4 l_{0}$

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8 months ago

Class 12th Physics Moving Charges and Magnetism

A uniform conducting wire of length is 24a, and resistance R is wound up as a current carrying coil in the shape of an equilateral triangle of side 'a' and then in the form of a square of side 'a'. The coil is connected to a voltage source V₀. The ratio of magnetic moment of the coils in case of equilateral triangle to that for square is 1: $\sqrt[]{y}$ where y is…….

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Vishal Baghel

Contributor-Level 10

In triangle $N_{t} = \frac{240}{3 a} = 8$ $_{} \frac{}{}$

In square Ns = $\frac{24 a}{4 a} = 6$ $\frac{}{}$

$\frac{M_{t}}{M s} = \frac{N_{t} l A_{t}}{N s l A s} = \frac{8 * \frac{\sqrt[]{3}}{4} * a^{2}}{6 * a^{2}} \Rightarrow M t / M s = \frac{1}{\sqrt[]{3}} \Rightarrow y = 3$

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8 months ago

Class 12th Physics

The alternating current is given by

$i = {\sqrt[]{42} s i n (\frac{2 π}{T} t) + 10} A$

The r.m.s. value of this current is……….A.

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Vishal Baghel

Contributor-Level 10

$f_{r m s}^{2} = {(\frac{\sqrt[]{42}}{\sqrt[]{2}})}^{2} + 1 0^{2} = 121$

$\Rightarrow f_{r m s} = 11 A$

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8 months ago

Class 12th Physics Ray Optics and Optical Instruments

Curved surfaces of a plano-convex lens of refractive index $μ_{1}$ and a plano-concave lens of refractive index $μ_{2}$ have equal radius of curvature as shown in figure. Find the ratio of radius of curvature to the focal length of the combined lenses

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alok kumar singh

Contributor-Level 10

$\frac{1}{f_{1}} = (μ_{1} - 1) (\frac{1}{\infty} - \frac{1}{(- R)}) = \frac{μ_{1} - 1}{R}$

$\frac{1}{f_{2}} = (μ_{2} - 1) [\frac{1}{(- R)} - \frac{1}{\infty}] = - \frac{μ_{2} - 1}{R}$

$\frac{1}{f_{e q}} = \frac{1}{f_{1}} + \frac{1}{f_{2}} = \frac{μ_{1} - μ_{2}}{R}$

$\Rightarrow \frac{R}{f_{e q}} = μ_{1} - μ_{2}$

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8 months ago

Class 12th Physics

First, a set of n equal resistors of 10 $Ω$ each are connected in series to a battery of emf 20V and internal resistance 10 $Ω$ . A current I is observed to flow. Then, the n resistors are connected in parallel to the same battery. It is observed that the current is increases 20 times, then the value of n is………

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Vishal Baghel

Contributor-Level 10

In series Req = nR = 10n

$\Rightarrow l s = \frac{20}{10 + 10 n} = \frac{2}{1 + n}$

In parallel $\Rightarrow R_{e q} = \frac{10}{n}$ $_{} \frac{}{}$

$\Rightarrow \frac{l_{ρ}}{l_{s}} = 20 = \frac{2 n / 1 + n}{2 / 1 + n}$

n = 20

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8 months ago

Directions for questions: Read the information carefully and answer the questions given below.

During the cultural festival of IIT Delhi six competitions were conducted. The cultural festival was inaugurated in the morning of 18th August, Wednesday and continued till 25th August. In the span of 8 days six competitions namely debate, folk dance, group dance, drama, singing, and group song, were organized along with various other cultural programs. The information available from the IIT Delhi is:

I. Only one competition was held in a day

II. Singing competition was not conducted on the closing day.

III. Group dance was conducted on

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