The difference in height between high tide and low tide is called …………….

1. Ebb
2. Tidal wave
3. Tidal range
4. Tidal crest

Apogee : Earth-moon distance …………… :: Perigee : Earth-moon distance ……………

1. maximum, minimum
2. minimum, maximum
3. equal, equal
4. All of the above.

Assertion (A): Tidal range is not constant.

Reason (R): Tidal range varies due to the earth's rotation on its axis.

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R does not explain A.
3. A is true but R is false.
4. A is false but R is true.

Which of the following statements are true?

(A) The alternate advance and retreat of seawater along a coast is called tide.

(B) When water advances to its fullest extent on to the shore it is called high tide.

(C) When water recedes to its fullest extent from the shore it is called low tide.

(D) Some freshwater rivers and lakes can have tides too.

1. (A) (B) (C) (D)
2. Only (A)
3. Only (B) and (C)
4. (A) (B) and (C)