Miscellaneous

ADDED Q9,Q10,[ Q8) .....by avinav ]don't have the answers so can't confirm

Q1 )
The max. resultant of two forces is P and the minimum resultant is Q . If the two forces are at right angles then resultant is ..........

Q2) L.P.G mainly contains
a) ethyne b) methane c) butane d) ethane

Q3) the enzymes which converts proteins into amino acids during digestion
a) protienases b) lipases c) amylases d) adenine

Q4) If \vec{a_{1}} and \vec{a_{2}} are two non collinear vectors and if | \vec{a_{1}} + | = √3 then the value of
( - \vec{a_{2}}) ( 2\vec{a_{1}}+\vec{a_{2}} ) is ....
a) 2 b) 3/2 c) 1/2 d) 1

edited : i have edited collinear as non-collinear , earlier i rongly typed as collinear [2][2] SRY

Q5) which of the following optical components forms a perfect image free of abberration ?
a) Plane mirror b) spherical mirror C) spherical lens D) cylindrical lens

Q6) the absolute value of \left(\frac{2Z-8i}{3\bar{Z}+12i} \right)^{3} is ...

Q7) here solid lines are crests and dashed r trough
The diagram shows two sources A and B vibrating in phase in the same uniform medium and producing circular wavefronts. Which phenomenon occurs at Point P ?

a) destructive inteference b) constructive interference c) reflection d) refraction
[ ( Q8) mentioned below by avinav already ]

Q9) Glass is a
a) polymeric mixture b) micro crystalline solid c) Super cooled liquid d) gel
i feel like c am i rite ??

Q10) which of the following culd act as a propellant for rocket
a) liquid N2 + liquid O2 b) liquid H2 + liquid N2 c) liquid H2 + liquid argon
d) liquid H2 + liquid O2 i feel like it's( a )am i rite ??