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What happens when a narrow beam of electrons is passed through a uniform electric field? What is its reason?

asked Oct 25, 2017 in Physics by sonia (36.5k points)

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1 answer 290 views

How is LAN diferent fom a WN? Into which category would you place the Internet?

asked Nov 2, 2017 in Computer Science by naqash (17.9k points)

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1 answer 594 views

How light signals are sent through optical fibres?

asked Oct 26, 2017 in Physics by shamroz (41.5k points)

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1 answer 893 views

Why or why not concave mirrors are suitable for make up?

asked Oct 19, 2017 in Physics by shamroz (41.5k points)

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On what factors does loudness of sound depends? Explain.

asked Oct 16, 2017 in Physics by sonia (36.5k points)

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1 answer 711 views

A certain flash-light can use a 10 ohm bulb or a 5 ohm bulb.

asked Oct 23, 2017 in Physics by shamroz (41.5k points)

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1 answer 566 views

NAND gate is the reciprocal of AND gate. Discuss.

asked Oct 26, 2017 in Physics by sonia (36.5k points)

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1 answer 307 views

In how many categories can you divide hardware components of the computer? Name them.

asked Nov 1, 2017 in Biology by naqash (17.9k points)

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2 answers 210 views

What is Window Media Player used fr?

asked Nov 2, 2017 in Computer Science by naqash (17.9k points)

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1 answer 979 views

What are the units of loudness? Why do we use logarithmic scale to describe the range of the sound intensities we hear?

asked Oct 16, 2017 in Physics by sonia (36.5k points)

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1 answer 714 views

How does electrostatic induction differ from charging by friction?

asked Oct 23, 2017 in Physics by sonia (36.5k points)

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1 answer 241 views

What is meant by undo or redo?

asked Nov 2, 2017 in Computer Science by naqash (17.9k points)

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1 answer 672 views

What are the advantages of parallel circuits over series circuits?

asked Oct 23, 2017 in Physics by shamroz (41.5k points)

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An electrified rod attracts pieces of paper. After a while these pieces fly away! Why?

asked Oct 23, 2017 in Physics by sonia (36.5k points)

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1 answer 1.9k views

Point out the coefficients of each in the following hypothetical reactions:

asked Sep 26, 2017 in Chemistry by shamroz (41.5k points)

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1 answer 838 views

A man raises his left hand in a plane mirror,

asked Oct 19, 2017 in Physics by shamroz (41.5k points)

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1 answer 222 views

How do you narrow your search on the Internet? Write some tips.

asked Nov 2, 2017 in Computer Science by naqash (17.9k points)

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1 answer 698 views

Suppose you have a glass rod which becomes positively charged when you rub it with wood.

asked Oct 22, 2017 in Physics by shamroz (41.5k points)

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1 answer 653 views

A light bulb is switched on for 40s. If the electrical energy consumed by the bulb during this time is 2400 J,

asked Oct 23, 2017 in Physics by sonia (36.5k points)

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What is meant by acoustic protection. What is its importance?

asked Oct 17, 2017 in Physics by shamroz (41.5k points)

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