Question

Please Answer The Following....

1. In gravitational law, G is the universal constant of gravitation and its value:

*varies everywhere on the Earth *remain same everywhere *differs by distance *varies by changing mass


2. The work done in lifting a brick of mass 2Kg through a height of 5m above the ground will be:

*2.5j *10j *50j *100j


3. 1joule is equal to:

*1Ns *1lb-m *1Nm *N/s


4. Elasticity depends up on:

*temperature *size *nature *pressure


5. The quantity that depends upon the force and increase with decrease in the area on which force is acting is called:

*momentum *pressure *mass *velocity


6. Which is the best approximation of the weight of an object of mass 800 gram?

* 88N * 80N * 8N * 0.8N


7. An object appears lighter in water because one of the properties of matter:

* Pressure * Buoyancy * Surface Tension * Viscosity


8. A 25 N Force acts on X-axis, what is value of Y-component

* 25 N * 5 N * 0 N * -25 N


9. The value of radius of earth is:

* 6.38×10-6 m * 6.38×106 m * 63.8×10-6 m * 63.8×106 m


10. If F=100N and v=2.5 m/s , then Power will be :

* 25 watt * 250 watt * 2.5 Kilowatt * 250 Kilowatt


11. Boiling point of water at S.T.P is

* 0 K * 273 K * 100 K * 373 K


12. The Branch of Science which deals with the study of the properties of matter and energy and interaction between them is

called:

* Chemistry * Biology * Physics * Computer Science


13. Clock-wise Torque is taken as :

* Negative * Positive * 1 * 0


14. S.I Unit of coefficient of volumetric expansion is:

* K *

1



*

1

℃

*

1

℉


15. The process of splitting up a single vector into its components is called:

*Composition of Vector *Addition of Vector *Resultant of Vector *Resolution of Vector


16. A cone standing on its base is an example of :

* Stable equilibrium * Unstable equilibrium * Neutral equilibrium * Static equilibrium


17. The value of “G” was determined experimentally by :

* Newton * Einstein * Cavendish * Joule​

Answer 1

Answer:

1000j

Step-by-step explanation: