Which of these instruments is used to measure the wind speed?

Correct Answer: Magnetic striping is evidence of seafloor spreading

Correct Answer: Helium

Correct Answer: Gravitational force is the force that binds everything at the surface of the earth It holds at what distance from the earth is gravity zero

Correct Answer: Syrup

Explanation:

The viscosity of a fluid is a measure of its resistance to deformation at a given rate. For liquids, it corresponds to the informal concept of "thickness".

Here in the given options, syrup has the highest viscosity.

Correct Answer: Power

Explanation:

The Rate of doing work or rate of transfer of energy is called Power.

Correct Answer: Book

Explanation:

The objects through which light cannot pass are called as Opaque objects. Some objects allow some light to pass through them and are called as Translucent objects. The objects which allow all the light to pass through them are called as Transparent objects.

 

Here in the given options Book is an example of opaque object as it does not allow light to pass through it. Water is transparent object and notebook paper and sun glasses are examples of translucent objects.

Correct Answer: chemical potential energy

Explanation:

Gasoline is a colorless petroleum-derived flammable liquid that is used primarily as a fuel in spark-ignited internal combustion engines. It consists mostly of organic compounds obtained by the fractional distillation of petroleum, enhanced with a variety of additives. It is also called as Petrol. It has chemical potential energy, in combustion it is turned into light, sound, heat and kinetic energy.

Correct Answer: Collide

Correct Answer: Temperature

Correct Answer: 500 J