An object is undergoing a non-accelerated motion. It's rate of change in momentum is
a non-zero constant
zero
not a constant
None of the above
B.
zero
The human eye is like a camera and hence it contains a system of lens. The eye lens forms
a straight or upright, real image of the object on the retina
an inverted, virtual image of the object on the retina
an inverted, real image of the object on the retina
a straight or upright, real image of the object on the iris
The velocity of the particle is uniform
The velocity of the particle is non-uniform
The speed is uniform and the particle is moving on a circular path
The speed is non-uniform and the particle is moving on a straight line path
The motion of an electron in presence of a magnetic field is depicted in the figure given above. The force acting on the electron will be directed
into the page
out of the page
opposite to the motion of the electron
along the motion of the electron
Which one among the following hormones stimulates the plant cells to grow in a manner such that the plant appears to be bent towards light?
Cytokinin
Auxin
Gibberellin
Abscisic acid
The pH of fresh milk is 6. When it turns sour, the pH
becomes < 6
remains the same, i.e., 6
becomes > 6
becomes neutral, i.e., 7
A motor vehicle is moving on a circle with a uniform speed. The net acceleration of the vehicle is
zero
towards the centre of the circle
away from the centre along the radius of the circle
perpendicular to the radius and along the velocity
The displacement of a particle is given by x = cos2 ωt. The motion is
simple harmonic
periodic but not simple harmonic
non-periodic
None of the above
Imagine a current-carrying wire with the direction of current downward or into the page. The direction of magnetic field lines is
clockwise
anticlockwise
into the page
out of the page
Magnetic Resonance Imaging (MRD) is used in medical diagnosis to obtain images of our internal body organs. This is primarily possible because
our body possesses a permanent magnet
MRI uses an external magnet to generate a magnetic field in our body
MRI uses an external electric field to generate magnetic field in our body
ions motion along our nerve cells generates magnetic fields