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 971:
I. Jet propelled aircraft
II. Rocket propulsion
III. The recoil of a gun
IV. A person walking
Which of the above is based on Newton's third law of motion
Options:
A) I and II only
B) I, II, III, and IV only
C) I and III only
D) I, II and III only
Show Answer
The correct answer is D .
-
Question 972: Which of the following metals will provide the greatest shield against ionizing radiation
Options:
A) Iron
B) Manganese
C) Alminium
D) Lead
Show Answer
The correct answer is D .
-
Question 973: What is the angular magnification of a telescope having objective and eyepiece lenses of a focal lengths 30cm and 3cm respectively?
Options:
A) 60
B) 10
C) 30
D) 90
Show Answer
The correct answer is B .
-
Question 974: Two forces A and B act at a point. If their resultant is [given by] (B - A) in the direction of B, then
Options:
A) A and B are equal
B) A is greater than B
C) the angle between A and B is 0°
D) the angle between A and B is 90°
E) the angle between A and B is 180°
Show Answer
The correct answer is E .
-
Question 975:

What is the average velocity of the sprinter whose velocity time graph is as shown above
Options:
A) 85.0ms-1
B) 17.0ms-1
C) 8.0ms-1
D) 1.7ms-1
Show Answer
The correct answer is C .
-
Question 976:
Arrange the following in the order of their increasing frequency.I. Visible light
II. Gamma rays
III. Radio waves
IV. Infra-red radiation
V. Ultra-violet radiation
Options:
A) I, II, III, IV, V
B) II, III, IV, V, I
C) III, IV, V, I, II
D) IV, III, I. V, II
E) III, IV, I,V, II
Show Answer
The correct answer is E .
-
Question 977: In a Daniel cell, the depolarizer, positive and negative electrodes are respectively
Options:
A) copper sulphate, copper and zinc
B) manganese dioxide, carbon and zinc
C) sulphuric acid, lead oxide and lead
D) potassium hydroxide, nickel and iron.
Show Answer
The correct answer is A .
-
Question 978:
The energy of a photo having a wavelength of 10-10m is
(h= 6.63 x 10 -34Js, c =3.0 x 10 8ms-1)
Options:
A) 2.0 x 10 -15J
B) 1.7 x 10 -13J
C) 2.0 x 10 -12J
D) 1.7 x 10 -12J
Show Answer
The correct answer is A .
-
Question 979:
The Earth's magnetic equator passes through Jos in Nigeria. At Jos, the
Options:
A) angle of variation is zero
B) magnetic declination is 90
C) angle of dip is zero
D) horizontal component at the Earth's field is zero
Show Answer
The correct answer is C .
-
Question 980:

What is the total resistance in the above diagram
Options:
A) 5 ohms
B) 15 ohms
C) 25 ohms
D) 35 ohms
E) 45 ohms
Show Answer
The correct answer is C .