Write down the equation in vector form.
A vector of magnitude 5 units is inclined at an angle 37° to the x axis . Find the magnitudes
of the vector components along x and y axis. ( 5- marks )
- Which of the following quantities are scalars and which are vectors?
(a) speed (b) velocity (c) average velocity (d) acceleration (e) displacement.
A particle starting from rest moves along a straight line with a constant acceleration of 2 ms-2.
What is the velocity of the particle 9 s after it started from
. Select the correct word(s) given in the bracket. (7 marks)
(a) Proteins is ( polymer, copolymer, monomer).
(b) The molecule of (NH3, ClF3, BCl3) does not deviate octet rule.
(c) The volume of the gas decreases (rapidly, slowly, regularly) with regular decrease of temperature.
(d) The anhydrous sodium carbonate can be used as a (an) (indicator, catalyst, primary standard)
(e) Faraday’s laws express the (qualitative, quantitative, volumetric) results of electrolysis.
(f) Oxidation number of sulphur in H2SO3 is ( +6,+4,-2) .
