MCQ
The tidal waves in the sea are primarily due to
  • The gravitational effect of the moon on the earth
  • B
    The gravitational effect of the sun on the earth
  • C
    The gravitational effect of venus on the earth
  • D
    The atmospheric effect of the earth itself

Answer

Correct option: A.
The gravitational effect of the moon on the earth
(a)

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

In a copper voltameter experiment, current is decreased to onefourth of the initial value but it is passed for four times the earlier duration. Amount of copper deposited will be
For the production of $X$-rays, the target should be made of
A neutron having mass of $1.67 \times 10^{-27} \mathrm{~kg}$ and moving at $10^8 \mathrm{~m} / \mathrm{s}$ collides with a deutron at rest and sticks to it. If the mass of the deutron is $3.34 \times 10^{-27} \mathrm{~kg}$ then the speed of the combination is
The distance of the centres of moon and earth is $D$. The mass of earth is 81 times the mass of the moon. At what distance from the centre of the earth, the gravitational force will be zero
An alpha particle enters a hollow tube of $4 m$ length with an initial speed of $1 km / s$. It is accelerated in the tube and comes out of it with a speed of $9 km / s$. The time for which it remains inside the tube is
A simple pendulum has a time period $T_1$ when on the earth's surface and $T_2$ when taken to a height $R$ above the earth's surface, where $R$ is the radius of the earth. The value of $T_2 / T_1$ is
The engine of a car produces acceleration $4 m / s ^2$ in the car. If this car pulls another car of same mass, what will be the acceleration produced
A mass $m$ is vertically suspended from a spring of negligible mass; the system oscillates with a frequency $n$. What will be the frequency of the system if a mass $4 m$ is suspended from the same spring
A wave is reflected from a rigid support. The change in phase on reflection will be
An object is moving with a uniform acceleration which is parallel to its instantaneous direction of motion. The displacement $(s)$ - velocity $(v)$ graph of this object is