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

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निम्नलिखित का उत्तर लगभग ८० से १०० शब्दों में लिखिए:

ब्लॉग लेखन में बरती जानेवाली सावधानियों पर प्रकाश डालिए।

Appears in 4 question papers
Chapter: [17] व्यावहारिक हिंदी : ब्लॉग लेखन
Concept: ब्लॉग लेखन

निम्नलिखित पारिभाषिक शब्द के लिए हिंदी शब्द लिखिए।

Auxiliary Memory

Appears in 4 question papers
Chapter: [19] भाषा अध्ययन (व्याकरण)
Concept: पारिभाषिक शब्दावली

निम्नलिखित पंक्ति में उद्धृत रस पहचानकर उनके नाम लिखिए।

माला फेरत जुग भया, गया न मन का फेर।
कर का मनका डारि कैं, मन का मनका फेर।।

Appears in 4 question papers
Chapter: [19] भाषा अध्ययन (व्याकरण)
Concept: रस

निम्नलिखित पंक्ति में उद्धृत रस पहचानकर उनके नाम लिखिए।

एक अचंभा देखा रे भाई।
ठाढ़ा सिंह चरावै गाई।
पहले पूत पाछे मा ई।
चेला कें गुरू लागे पाई।।

Appears in 4 question papers
Chapter: [19] भाषा अध्ययन (व्याकरण)
Concept: रस

निम्नलिखित पंक्ति मैं उद्धृत अलंकार पहचानकर उनका नाम लिखिए:

पत्रा ही तिथि पाइयै, वाँ घर के चहुँ पास। 
नितप्रति पून्योई रहै, आनन-ओप उजास।।  

Appears in 4 question papers
Chapter: [19] भाषा अध्ययन (व्याकरण)
Concept: अलंकार

खालील मुद्द्यांच्या आधारे माहितीपत्रकाची रचना वैशिष्ट्ये स्पष्ट करा.

माहितीला प्राधान्य ............ उपयुक्तता ............ वेगळेपण ............ आकर्षक मांडणी ............ भाषाशैली.

Appears in 4 question papers
Chapter: [4.02] माहितीपत्रक
Concept: माहितीपत्रक

Show that four points A, B, C and D whose position vectors are 

`4hati+5hatj+hatk,-hatj-hatk-hatk, 3hati+9hatj+4hatk and 4(-hati+hatj+hatk)` respectively are coplanar.

Appears in 4 question papers
Chapter: [6] Line and Plane
Concept: Coplanarity of Two Lines

Show that the altitude of the right circular cone of maximum volume that can be inscribed in a sphere of radius r is `(4r)/3`. Also find maximum volume in terms of volume of the sphere

Appears in 4 question papers
Chapter: [9] Applications of Derivatives
Concept: Maxima and Minima

If u and v are two functions of x then prove that

`intuvdx=uintvdx-int[du/dxintvdx]dx`

Hence evaluate, `int xe^xdx`

Appears in 4 question papers
Chapter: [10] Indefinite Integration
Concept: Methods of Integration: Integration by Parts

Find: `int(x+3)sqrt(3-4x-x^2dx)`

Appears in 4 question papers
Chapter: [10] Indefinite Integration
Concept: Methods of Integration: Integration by Substitution

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
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