Question

12) A ball is projected vertically upwards with a VelocityV .It comes back to
ground in time t, which v-t graph shows the mention correctly?
13) If a particle executes uniform circular motion in the xy plane in clock wise
direction, then the angular velocity is in
a) +y direction b) +z direction c) –z direction d) –x direction
14) Distance is a scalar quantity and ___is a vector.
a) speed b) Length c) Time d) Displacement
15) The path followed by a projectile is called
a) Trajectory b) elliptical c)ecliptic d) conical
16) Choose the incorrect pair
a) Angle-Radian b) radius-metre c) time-period d) mass-gram
17) The expression for relation between linear and angular acceleration is
a) = /∝ b) . b) a= r∝
2
c) a=r∝ d) a=rω
18) The angle between A=i+j and B= i-j is a) 45˚ b)90˚ c)-45˚ d) 180˚
19) The dimension of physical quantity x in the equation, Force=X /Density is
given by a) M1
L
4T
-2
b) M2
L
-2T
-2
c)M2
L
2T
-2
d)M1
L
-4T
-1
20) Linear momentum is___ quantity a) scalar b)vector c) net d)zero

Answer 1

Answer:

sjbdhdjdjdhdgdj the simplified Chinese traditional and digital