TEST No. 1
Which of the following statement correctly describes the magnetic field near long, straight current carrying conductor?
A. The magnetic lines of force are in plane, perpendicular to the conductor in the form of straight lines.
B. The magnetic lines of force are parallel to the conductor on all the sides of conductor.
C. The magnetic lines of force are perpendicular to the conductor going radially outward.
D. The magnetic lines of force are in concentric circles with the wire as the centre, in a plane perpendicular to the conductor.
Will the light travel through soapy water with the same velocity as it travels through air?
A. Yes
B. No
C. Depends on the conditions.
D. None of these
Name the halogen which is liquid at room temperature.
A. Fluorine
B. Astatine
C. Bromine
D. iodine.
At what temperature does water have maximum density?
A. 00 C.
B. 40 C.
C. 120 C.
D. 50 C.
What type of reaction is the transformation of ethanol into ethanoic acid?
A. Additional reaction
B. Substitution reaction.
C. Oxidation reaction.
D. Dehydration
