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Physics, Chemistry, and Mathematics Fundamentals
Difficulty Level: Medium
10 Questions
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VVaigai NRC 11
Popular Questions InPhysics, Chemistry, and Mathematics Fundamentals
1
Which of the following principles states that an object submerged in a fluid experiences an upward buoyant force equal to the weight of the fluid displaced by the object?
2
In an electrical circuit, if the voltage across a resistor is doubled and the resistance remains constant, what happens to the current flowing through the resistor?
3
A car accelerates uniformly from rest to 20 m/s in 5 seconds. What is its acceleration?
4
What is the pH of a neutral solution at 25°C?
5
Which type of bonding involves the sharing of electron pairs between atoms?
6
What is the chemical formula for sulfuric acid?
7
If a substance changes directly from a solid to a gas without passing through a liquid phase, what is this process called?
8
What is the value of x if 2x + 5 = 15?
9
If the radius of a circle is 7 cm, what is its circumference? (Use π ≈ 22/7)
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