Defining a Volcano

Q. A gas bubble , from an explosion under water , oscillates with a period t proportionai to Pa Db Ec , where p is the statics pressure , d is the density of water and E is the total energy of the explosion . Find the value of a, b, c ? explain it in proper way with full of explanation

Q. Write a note on Lava Plateau.

Q. A ______ is a vent in the Earth's crust through which molten magma erupts.

1. mountain
2. mine
3. volcano
4. geyser

Q. Describe the features of a volcano.

Q.

What are natural geysers?

Q. Assertion [A]: Pressure cookers are similar to volcanoes.

Reason [R]: Pressure is built up in cookers and volcanoes, and released through a vent.

1. [A] is true but [R] is false.
2. [A] and [R] are false.
3. [A] and [R] are true and [R] is the correct justification for [A].
4. [A] and [R] are true but [R] is not the correct justification for [A].

Q. A volcano is a vent in the Earth’s through which molten material under the earth erupts.

1. crust
2. mantle
3. chamber
4. core

Q. A volcano is a vent in the Earth’s through which molten material under the earth erupts.

1. crust
2. mantle
3. chamber
4. core

Q. A ______ is a vent in the Earth's crust through which molten magma erupts.

1. mountain
2. mine
3. volcano
4. geyser

Q. Assertion [A]: Pressure cookers are similar to volcanoes.

Reason [R]: Pressure is built up in cookers and volcanoes, and released through a vent.

1. [A] is true but [R] is false.
2. [A] and [R] are false.
3. [A] and [R] are true but [R] is not the correct justification for [A].
4. [A] and [R] are true and [R] is the correct justification for [A].