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UNITED BOOK HOUSE-MODEL PAPER SET-02-EXERCISE
- When a ferromagnetic substance is changed into paramegnetic substances...
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- The e.m.f of and a.c. current E=158sin 200pit V. What is the voltage a...
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- Rainbow is not possible in the moon,Why?
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- Two lenses of focal lengths 6cm and 50 cm are used in construction of ...
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- Construct Not gate using only NAND gate.
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- The value of reistance of a carbon resistor is (42xx10^5+-5%)Omega. Wh...
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- A bulb 60V- 120W is connectd to 220 VDC line what reistance should be ...
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- What is microwave? Why is ti used in RADAR?
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- Write two name of e.m. wave. Give one similarity and one dissimilarity...
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- What its the number of revolution per second of revolving electron in ...
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- 92^(U^(238)) undergoes a series of changes by emitting alpha and beta ...
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- What is modem? How is it used?
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- A positivley charged infinite plane sheet has surface charge densit...
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- The line charge density of a semicircular ring of radius R is lambda. ...
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- Find the potential at the centre of a square of side sqrt2 m which ca...
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- Find magnetic moment of an electron revolving in an orbit and hence d...
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- A straight wire is used ot form a semi-circular wire of radius 2cm. IF...
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- A convex lens whose redius of curvatures of both surfaces are same, re...
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- Why lens formula is called "conjugate focii" relation?
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- If 'f' is the focal length of a lens then prove uv=f^2. U and V repres...
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