Multiple choice physics

Sep 11th, 2015
Price: $5 USD

Question description

1. Radiocarbon is produced in the atmosphere as a result of?

A.collision between fast neutrons and nitrogen nuclei present in the atmosphere
B.action of ultraviolet light from the sun on atmospheric oxygen
C.action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere
D.lightning discharge in atmosphere
2. It is easier to roll a stone up a sloping road than to lift it vertical upwards because? done in rolling is more than in lifting done in lifting the stone is equal to rolling it done in both is same but the rate of doing work is less in rolling done in rolling a stone is less than in lifting it
3. The absorption of ink by blotting paper involves

A.viscosity of ink
B.capillary action phenomenon
C.diffusion of ink through the blotting
D.siphon action
4. Siphon will fail to work if

A.the densities of the liquid in the two vessels are equal
B.the level of the liquid in the two vessels are at the same height
C.both its limbs are of unequal length
D.the temperature of the liquids in the two vessels are the same
5. Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to

A.the heating effect of current alone
B.hysteresis loss alone
C.both the heating effect of current and hysteresis loss
D.intense sunlight at noon
6. Nuclear sizes are expressed in a unit named


Tutor Answer

(Top Tutor) Daniel C.
School: University of Maryland

Studypool has helped 1,244,100 students

Review from our student for this Answer

Sep 12th, 2015
"This tutor is great!"
Ask your homework questions. Receive quality answers!

Type your question here (or upload an image)

1821 tutors are online

Brown University

1271 Tutors

California Institute of Technology

2131 Tutors

Carnegie Mellon University

982 Tutors

Columbia University

1256 Tutors

Dartmouth University

2113 Tutors

Emory University

2279 Tutors

Harvard University

599 Tutors

Massachusetts Institute of Technology

2319 Tutors

New York University

1645 Tutors

Notre Dam University

1911 Tutors

Oklahoma University

2122 Tutors

Pennsylvania State University

932 Tutors

Princeton University

1211 Tutors

Stanford University

983 Tutors

University of California

1282 Tutors

Oxford University

123 Tutors

Yale University

2325 Tutors