Meghana Chanda

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Meghana Chanda

Asked: 3 years agoIn: Class 11

If a,b,c are collinear points A=(3,4),B=(7,7)and AC= 10 then C=

Meghana Chanda

Asked: 3 years agoIn: General Awareness

A sonometer wire resonates with a given tuning fork forming ` 5` antinodes when a mass of `9 kg` is suspended from the wire . When this resonates with the same tuning fork forming three antinodes for the same positions of the bridges . The value of `M` is
A. `25 kg`
B. `5 kg`
C. `12.5 kg`
D. `(1//25) kg`

Meghana Chanda

Asked: 3 years agoIn: Class 11

Practical problems question 1

Meghana Chanda

Asked: 3 years agoIn: General Awareness

Water cycle includes
A. वाष्पीकरण
B. संघनन
C. प्रस्वेदन
D. उपरोक्त सभी

Meghana Chanda

Asked: 3 years agoIn: Class 10

Differentiate between self pollination and cross pollination

Meghana Chanda

Asked: 3 years agoIn: Class 10

1+ cos theta / sin2 theta equals 1/1- cos theta, by using identities

Meghana Chanda

Asked: 3 years agoIn: General Awareness

एक गेंद क्षैतिज से `45^@` के कोण पर ऊर्ध्वाधर टकल में प्रक्षेपिये की जाती है, तथा इसकी गतिज ऊर्जा E है उड़ान में उछत्तम बिंदु केपीआर गेंद की स्तितिज ऊर्जा क्या होगी ?
A. शून्य
B. `E/sqrt2`
C. `E/2`
D. `E`

Meghana Chanda

Asked: 3 years agoIn: General Awareness

It is tossed n times. Let `P_n` denote the probability that no two (or more) consecutive heads occur. Prove that `P_1 = 1,P_2 = 1 – p^2 and P_n= (1 – P) P_(n-1) + p(1 – P) P_(n-2)` for all `n leq 3`.

Meghana Chanda

Asked: 3 years agoIn: General Awareness

A convex lens makes a real image 4 cm long on a screen. When the lens is shifted to a new position without disturbing the object, we again get a real image on the screen which is 16 cm tall. The length of the object must be
A. `1//4 cm`
B. `8 cm`
C. `12 cm`
D. `20 cm`

Meghana Chanda

Asked: 3 years agoIn: Class 11

Please define the three types of bond in biomolecules chapter

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Meghana Chanda

If a,b,c are collinear points A=(3,4),B=(7,7)and AC= 10 then C=

Practical problems question 1

Water cycle includes
A. वाष्पीकरण
B. संघनन
C. प्रस्वेदन
D. उपरोक्त सभी

Differentiate between self pollination and cross pollination

1+ cos theta / sin2 theta equals 1/1- cos theta, by using identities

It is tossed n times. Let `P_n` denote the probability that no two (or more) consecutive heads occur. Prove that `P_1 = 1,P_2 = 1 – p^2 and P_n= (1 – P) P_(n-1) + p(1 – P) P_(n-2)` for all `n leq 3`.

A convex lens makes a real image 4 cm long on a screen. When the lens is shifted to a new position without disturbing the object, we again get a real image on the screen which is 16 cm tall. The length of the object must be
A. `1//4 cm`
B. `8 cm`
C. `12 cm`
D. `20 cm`

Please define the three types of bond in biomolecules chapter

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