Physics Past Questions And Answers

Note: You Can Select Post UTME Schools Name Below The Exam Year.
1351

In an elastic collision

I. Energy is conserved II. Energy is decreased III. Energy is increased IV. Linear momentum conserved

  • A. I only
  • B. I and IV only
  • C. II only
  • D. III only
View Discussion (0)JAMB 2015
1352

In the day time, it is possible to see under shady areas such as under a tree because light has undergone

  • A. internal reflection
  • B. refraction
  • C. diffraction
  • D. diffuse reflection
View Discussion (0)WAEC 2008 OBJ
1353

The sharpness of the boundary of the shadow of an object is determined by the

  • A. intensity of light striking the object
  • B. rays of light passing through the object
  • C. nature of the object
  • D. opacity of the object
View Discussion (0)JAMB 2005
1354

A machine is said to be a third class lever when the

  • A. load is between the fulcrum and effort
  • B. fulcrum is between the effort and the load
  • C. effort is between the fulcrum and load
  • D. fulcrum is directly below the load
View Discussion (0)WAEC 2010 OBJ
1355

Which of the following relations about the focal length fo of the objective and focal length fe of the eye piece of a compound is correct?

  • A. fo = fe
  • B. fo < fe
  • C. fo > fe
  • D. fe = 2fo
View Discussion (0)WAEC 2014 OBJ
1356

How can energy loss be minimized through Eddy-current?

  • A. By using high resistance wire
  • B. By using insulated soft iron wires
  • C. By using low resistance wires
  • D. By using turns of wires
View Discussion (0)JAMB 2017
1357

A sonometer wire is vibrating at frequency fo. If the tension in the wire is doubted while the length and the mass per unit length are kept constant, the new frequency of vibration is

  • A. fo/2
  • B. 2fo
  • C. fo/√2
  • D. fo√2
View Discussion (0)JAMB 2000
1358

A body of mass 120g placed at the 10cm mark on a uniform metre rule makes the rule settle horizontally on a fulcrum places at 35cm mark. Calculate the mass of the rule

  • A. 60g
  • B. 80g
  • C. 120g
  • D. 200g
View Discussion (0)WAEC 2011 OBJ
1359

Cancerous cells can be destroyed by

  • A) ultraviolet rays
  • B) alpha particles
  • C) x - rays
  • D) infrared rays
View Discussion (0)JAMB 2009
1360

A uniform rod PQ of length 1m and mass 2kg is pivoted at the end p. If load of 14N is placed at the center of the rod, find the force that should be applied vertically upwards at Q to maintain the rod at equilibrium horizontally [g = 10ms-2]

  • A. 68N
  • B. 28N
  • C. 17N
  • D. 7N
View Discussion (0)JAMB 1995