Ocean Tides and the Process of their Formations

Q. Which of the following is/are types of tides?

1. Spring tide
2. Neap tide
3. Summer tide
4. Winter tide

Q. _______ force is experienced by a body when it is in a circular motion.

1. Electromagnetic
2. Frictional
3. Centrifugal
4. Gravitational

Q. Which of the following is formed at the end of a river's course?

1. Lake
2. Dam
3. Delta
4. Port

Q. What is the angle that the Sun and the Moon make with each other, with the Earth as the vertex during a neap tide?

1. 45 degrees
2. 120 degrees
3. 100 degrees
4. 90 degrees

Q. Which among the following terms describes the periodic movements of ocean water due to the gravitational pull of the Sun and the Moon?

1. Ocean waves
2. Ocean currents
3. Ocean tides
4. Tsunamis

Q. How many spring tides are seen on the Earth after one complete revolution of Moon around the Earth?

1. Two
2. Three
3. Four
4. Five

Q. Explain spring tides in brief.

Q. differentiate between centrifugal and centripetal forces? provide an example for each

Q. When the gravitational forces of the sun and the moon combine to pull the water on the Earth in same direction, it is called the.

1. rip tide
2. spring tide
3. neap tide

Q. When the gravitational forces of the Sun and the Moon act on the ocean water in two different directions, the resulting tide is called Neap Tide.

1. True
2. False

Q. The role of high tides in helping ships navigate shallow harbours is witnessed majorly in which Indian port?

1. Haldia
2. Kolkata
3. Mumbai
4. Paradwip