Tides are caused by the

A

gravitational attraction of the sun & the moon on earth's surface

B

earthquakes

C

violent winds

D

volcanoes

Tides are caused by the gravitational forces of

A

Of Earth on Moon

B

Of Earth on Sun

C

Of Sun and Moon on Earth

D

Of Moon on Earth

Spring tides are caused when

A

Sun and moon are in line with earth

B

Solar tidal force acts opposite to lunar tidal force

C

Solar tidal force and lunar tidal force both coincide

D

None of these

Tides are caused by the gravitational pull of the

A

Earth on the Moon

B

Earth on the Sun

C

Sun and Moon on the Earth

D

Moon on the Earth

প্রবল জোয়ারের কারণ কোনটি? (Which is the cause of high tides )

A

চন্দ্র পৃথিবীর সবচেয়ে কাছে থাকে (Moon is the closest to Earth)

B

চন্দ্র-সূর্যের সমকৌণিক অবস্থান (Moon-Sun equiangular position)

C

পৃথিবী সূর্যের সবচেয়ে কাছে থাকে (Earth is the closest to Sun)

D

চন্দ্র, সূর্য ও পৃথিবী একই সরলরেখায় থাকে (Moon, Sun and Earth are in the same straight line)

The tides in the sea are primarily due to

A

the atmospheric effect of the Earth

B

the gravitational effect of Venus on the Earth

C

the gravitational effect of the Sun on the Earth

D

the gravitational effect of the Moon on the Earth

Tides in the sea have stored in them ________

A

Hydraulic energy

B

Kinetic energy

C

Gravitational potential energy

D

A combination of all the above three forms of energy

Spring tides occur when ________

A

The moon is nearest to the earth

B

The moon is farthest from the earth

C

The moon, the sun and the earth are at right angles with the earth at the apex

D

The moon, the sun and the earth are in the same line

Sea tides show variations because of ________

A

Variations in gravitational pull of the moon

B

Variations in gravitational pull of the sun

C

Distorted spherical shape of the earth

D

Different phases of the moon

Tides are complied and they vary from place to place because of ________

A

The movement of Moon in relation to Earth

B

Uneven distribution of water over the globe

C

Irregularities in the configuration of oceans

D

All of the above

Tides are caused by the -

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