Hot questions

0 like 0 dislike

1 answer 792 views

Give three reasons to support the evidence that cathode-rays are negatively charged electrons.

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

0 like 0 dislike

1 answer 771 views

Discuss the role of Information Technology in school education

asked Oct 27, 2017 in Physics by sonia (36.5k points)

0 like 0 dislike

1 answer 712 views

Name two factors which can enhance thermionic emission.

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

0 like 0 dislike

1 answer 634 views

When a moving electron enters the magnetic field, it is deflected from its straight path.

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

0 like 0 dislike

1 answer 297 views

You may have to open a website again and again. How can you avoid the trouble of typing and retyping its address?

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

0 like 0 dislike

1 answer 775 views

When an optician's testing room is small, he uses a mirror to help him test the eye shift of 1iis patients. Explain why.

asked Oct 22, 2017 in Physics by sonia (36.5k points)

0 like 0 dislike

1 answer 675 views

What is electron gun? Describe the process of thermionic emission.

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

0 like 0 dislike

1 answer 1.9k views

Prove that vibratory motion of a mass attached to a spring is SHM.

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

0 like 0 dislike

1 answer 952 views

You can listen to your friend round a corner, but you cannot watch him/her. Why?

asked Oct 17, 2017 in Physics by sonia (36.5k points)

0 like 0 dislike

1 answer 1.9k views

What is relationship between active mass and rate of reaction?

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

0 like 0 dislike

1 answer 1.9k views

What are advantages of Solvay's process?

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

0 like 0 dislike

1 answer 256 views

Describe the procedure for selecting many words or lines in MS Word program.

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

0 like 0 dislike

1 answer 1.0k views

Which of the flask is acting as a control? Justify.

asked Oct 16, 2017 in English by shamroz (41.5k points)

0 like 0 dislike

1 answer 660 views

Is e.m.f. really a force? Explain.

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

0 like 0 dislike

1 answer 2.2k views

Na2SO4 is a neutral salt while NaHSO4 is an acidic salt. Justify.

asked Sep 17, 2017 in Chemistry by shamroz (41.5k points)

0 like 0 dislike

1 answer 640 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)

0 like 0 dislike

1 answer 814 views

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

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

0 like 0 dislike

1 answer 248 views

Why do you display grid lines in MS Paint application window?

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

0 like 0 dislike

1 answer 849 views

Will the bending of the light be more or less for a medium with high refractive index?

asked Oct 18, 2017 in Physics by sonia (36.5k points)

0 like 0 dislike

1 answer 923 views

On what factors does loudness of sound depends? Explain.

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

Categories