Physics is the science that studies the nature and properties of matter and energy. It covers topics like motion, heat, light, sound, electricity, magnetism, and the structure of atoms.
-
Question 1091:
A gas at a volume of V in a container at pressure p is compressed to one-fifth of its volume. What will be its pressure if the magnitude of its original temperature T is constant?
Options:
A)
B)
C) p
D) 5P
Show Answer
The correct answer is D .
-
Question 1092: The terminal voltage of a battery is 4.0V when supplying a current of 2.0A, and 2.0V when supplying a current of 3.0A. The internal resistance of the battery is
Options:
A) 0.5
B) 1.0
C) 2.0
D) 4.0
Show Answer
The correct answer is C .
-
Question 1093: One of the properties of the earth's magnetic field is that the
Options:
A) north pole lies in the northern hemisphere
B) geographic and magnetic meridians coincide
C) earth's magnetic flux is entirely horizontal at a place where the magnetic dip is zero
D) earth's magnetic flux is entirely vertical at a place where the magnetic dip is zero
Show Answer
The correct answer is C .
-
Question 1094: By what factor will the size of an object placed 10cm from a convex lens be increased if the image is seen on a screen placed 25cm from the lens?
Options:
A) 15.0
B) 2.5
C) 1.5
D) 0.4
Show Answer
The correct answer is B .
-
Question 1095:
In an elastic collisionI. Energy is conserved
II. Energy is decreased
III. Energy is increased
IV. Linear momentum conversed
Options:
A) I only
B) II and IV only
C) II only
D) III only
Show Answer
The correct answer is B .
-
Question 1096: Boyle’s law may be Witten as
Options:
A) P1V1= P2V2
B) V1 = V2 ÷ T1T2
C) P1T1 = P2T2
D) P1V1 ÷ T1 = P1V1 ÷ T2
Show Answer
The correct answer is A .
-
Question 1097:

In the diagram above, which of the angles , , and is the angle of deviation of the ray of light passing through the glass prism XYZ?
Options:
A)
B)
C)
D)
Show Answer
The correct answer is C .
-
Question 1098: A 0.05kg bullet travelling at 500ms-1 horizontally strikes a thick vertical wall. It stops after penetrating through the wall horizontal distance of 0.25m. What is the magnitude of the average force the wall exerts on the bullet?
Options:
A) 25N
B) 50N
C) 250N
D) 500N
E) 25 000N
Show Answer
The correct answer is E .
-
Question 1099:
The linear expansivity of brass is 2 x 10 C. If the volume of a piece of brass is 15.00cm at 0°C, what is the volume at 100°C
Options:
A) 16.03cm
B) 15.09cm
C) 16.00cm
D) 15.03cm
Show Answer
The correct answer is B .
-
Question 1100:

The diagram shown represents a block-and-tackle pulley system on which an effort of W Newtons supports a load of 120.0N. If the efficiency of the machine is 40, then the value of W is?
Options:
A) 28.0
B) 48.0N
C) 233.0N
D) 50.0N
Show Answer
The correct answer is D .