Our physics drill for this week focuses on how well you understand the basic concepts of physics. don't forget to submit your entries to qualify for a bumper recharge card gift.
1. Which
of the following is not an SI unit? (a) kg/s (b) m3 (c) kg/m3
(d) kgm/s2
2. The
candela is a unit of (a) temperature (b) capacity (c) brightness (d) power
3. Which
of the following expresses a fundamental quantity? (a) joule (b) yard (c)
pascal (d) none of the above
4. The
derived unit called the Newton is equal to (a) kgm2s-1
(b) kgms-2 (c) kgms (d) kgm-2s-2
5. The
unit “kgm2s-3” can be used to express (a) work (b)
momentum (c) power (d) force
6. The
produce of pressure and volume gives (a) acceleration (b) force (c) work (d)
power
7. Surface
tension is defined as force per unit length perpendicular to a liquid surface.
Therefore, the dimension of surface tension is (a) MT-2 (b) MLT-2
(c) ML2T-2 (d) ML-2T-2
8. If
the dimension of pressure is expressed as MaLbTc,
what are the respective values of a, b and c? (a) 1, -1, 2 (b) 1, -1, -2 (c) 0,
1, 2 (d) 1, -2, -1
9. The
dimension of density is (a) ML-3T1 (b) MLT (c) ML-3
(d) ML3
10. The
flow rate of water through a pipe is defined as volume delivered per unit time.
If Mx Yy Tz is the dimension of flow rate,
then x, y and z are respectively (a) 0, 3, -1 (b) 1, -3, 1 (c) 0, 3, 1 (d) 3,
0, -1
1.A
ReplyDelete2.D
3.C
4.B
5.B
6.A
7.D
8.A
9.C
10.D
to comment, click on the comments icon at the end of a post
ReplyDeletePhysics drill
ReplyDelete1.a
2.c
3.b
4.b
5.c
6.c
7.a
8.b
9.c
10.a
Precious, 07014221805.
Chemistry drill
ReplyDelete1.d
2.b
3.b
4.b
5.c
6.c
7.a
8.b
9.c
10.a