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HSC Science (Computer Science) 12th Standard Board Exam - Maharashtra State Board Important Questions

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Find: `I=intdx/(sinx+sin2x)`

Appears in 4 question papers
Chapter: [10] Indefinite Integration
Concept: Methods of Integration: Integration Using Partial Fractions

The rate of growth of bacteria is proportional to the number present. If initially, there were 1000 bacteria and the number doubles in 1 hour, find the number of bacteria after `5/2` hours  `("Given"  sqrt(2) = 1.414)`

Appears in 4 question papers
Chapter: [13] Differential Equations
Concept: Application of Differential Equations

Given is X ~ B(n, p). If E(X) = 6, and Var(X) = 4.2, find the value of n.

Appears in 4 question papers
Chapter: [15] Binomial Distribution
Concept: Variance of Binomial Distribution (P.M.F.)

Derive Laplace’s law for spherical membrane of bubble due to surface tension.

Appears in 4 question papers
Chapter: [2] Mechanical Properties of Fluids
Concept: Surface Tension

Derive Laplace’s law for spherical membrane of bubble due to surface tension.

Appears in 4 question papers
Chapter: [6] Surface Tension
Concept: Surface Tension

Obtain the expression for current sensitivity of moving coil galvanometer.

Appears in 4 question papers
Chapter: [9] Current Electricity
Concept: Moving Coil Galvanometer

State how a moving coil galvanometer can be converted into an ammeter.

Appears in 4 question papers
Chapter: [9] Current Electricity
Concept: Moving Coil Galvanometer

Define magnetization.

Appears in 4 question papers
Chapter: [11] Magnetic Materials
Concept: Magnetisation and Magnetic Intensity

Explain ferromagnetism on the basis of the domain theory.

Appears in 4 question papers
Chapter: [11] Magnetic Materials
Concept: Magnetic Properties of Materials

Explain the construction and working of the transformer. 

Appears in 4 question papers
Chapter: [12] Electromagnetic Induction
Concept: Transformers

Obtain the expression for current sensitivity of moving coil galvanometer.

Appears in 4 question papers
Chapter: [14] Magnetic Effects of Electric Current
Concept: Moving Coil Galvanometer

State how a moving coil galvanometer can be converted into an ammeter.

Appears in 4 question papers
Chapter: [14] Magnetic Effects of Electric Current
Concept: Moving Coil Galvanometer

What is mass defect?

Appears in 4 question papers
Chapter: [15] Structure of Atoms and Nuclei
Concept: Mass Defect and Binding Energy

Define magnetization.

Appears in 4 question papers
Chapter: [15] Magnetism
Concept: Magnetisation and Magnetic Intensity

Explain ferromagnetism on the basis of the domain theory.

Appears in 4 question papers
Chapter: [15] Magnetism
Concept: Magnetic Properties of Materials

Explain the construction and working of the transformer. 

Appears in 4 question papers
Chapter: [16] Electromagnetic Inductions
Concept: Transformers

What is mass defect?

Appears in 4 question papers
Chapter: [18] Atoms, Molecules and Nuclei
Concept: Mass Defect and Binding Energy

Write the functions of the following in communication systems:

Transmitter

Appears in 4 question papers
Chapter: [20] Communication Systems
Concept: Basic Terminology Used in Electronic Communication Systems

Write the functions of the following in communication systems:

Receiver

Appears in 4 question papers
Chapter: [20] Communication Systems
Concept: Basic Terminology Used in Electronic Communication Systems

Write a short note on the following:

Overdependence on the Internet

Appears in 4 question papers
Chapter: [7] First Aid in Mental Health
Concept: Certain Behavioural Issues >> Internet and Social Media Usage
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