Physics
Grade-9
Easy
Question
An electron has ___________ charge.
- Negative
- Neutral
- Positive
- None
The correct answer is: Negative
A proton has a positive charge, neutron has no charge and electrons have a negative charge.
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Negative charge attracts ________ charge.
Negative charge attracts ________ charge.
PhysicsGrade-9
Physics
Consider the following statements and select the correct option which correctly identifies true (T) and false (F).
(i) A charged object can attract something that is uncharged.
(ii) An atom that gains electrons becomes positively charged.
(iii) Charges can be transferred from one body to another.
Consider the following statements and select the correct option which correctly identifies true (T) and false (F).
(i) A charged object can attract something that is uncharged.
(ii) An atom that gains electrons becomes positively charged.
(iii) Charges can be transferred from one body to another.
PhysicsGrade-9
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As per the nature of electrostatic forces:
As per the nature of electrostatic forces:
PhysicsGrade-9
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If an object is rubbed with another object, the object which gains electrons
If an object is rubbed with another object, the object which gains electrons
PhysicsGrade-9
Physics
A/an ___________ can be transferred from one body to another.
A/an ___________ can be transferred from one body to another.
PhysicsGrade-9
Physics
Which one of the following is a negatively charged particle?
Which one of the following is a negatively charged particle?
PhysicsGrade-9
Physics
Which fundamental particle in an atom has no charge?
Which fundamental particle in an atom has no charge?
PhysicsGrade-9
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What is the nature of the force which is experienced between an electron and a proton?
What is the nature of the force which is experienced between an electron and a proton?
PhysicsGrade-9
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An electrically neutral material has __________ number of positive and negative charges.
An electrically neutral material has __________ number of positive and negative charges.
PhysicsGrade-9
Physics
Unlike charges _______ each other.
Unlike charges _______ each other.
PhysicsGrade-9
Physics
An atom has ___________ charge.
An atom has ___________ charge.
PhysicsGrade-9
Physics
Which of the following cannot be a heat reservoir?
Which of the following cannot be a heat reservoir?
PhysicsGrade-9
Physics
During a thermodynamic process, 30 joules of heat are added to a gas while 25 joules of work are done by the gas. The change in internal energy of a system is ____ J.
During a thermodynamic process, 30 joules of heat are added to a gas while 25 joules of work are done by the gas. The change in internal energy of a system is ____ J.
PhysicsGrade-9
Physics
During an isothermal process 125 J of heat are removed from a trapped gas. Find out the change in internal energy of the system.
During an isothermal process 125 J of heat are removed from a trapped gas. Find out the change in internal energy of the system.
PhysicsGrade-9
Physics
In an isothermal process the change in internal energy of the system is ____.
In an isothermal process the change in internal energy of the system is ____.
PhysicsGrade-9
