2020 JAMB Physics Past Questions

Ethanol is soluble in water due to the presence of a

1. A.Carbonyl group
2. B.Hydroxyl group
3. C.Phenyl group
4. D.Methyl group✓ Correct

Who invented the Napier Bones

1. A.A. John Napier✓ Correct
2. B.B. Samuel Napier
3. C.C. Joseph Jacquard
4. D.D. Charles Babbage

Given that A = {1, 5, 7} B = {3, 9, 12, 15} C = {2, 4, 6, 8} Find (A ∪ B) ∪ C

1. A.{1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 15}
2. B.{1, 2, 3, 5, 6, 8, 12, 15}
3. C.{2, 4, 5, 9, 12, 15}
4. D.{1, 5, 6, 7, 8, 9, 12, 15}✓ Correct

At a pressure of 10$^5$Nm$^{-2}$, a gas has a volume of 20m$^3$. Calculate the volume at 4 x 10$^5$Nm$^{-2}$ at constant temperature.

1. A.2m$^3$
2. B.3m$^3$
3. C.4m$^3$
4. D.5m$^3$✓ Correct

This question is from the novel The Last Days at Forcados High school. ‘No more chains in trousers or dangling earrings for the girls. There will be an inspection of fingernails and socks during assembly. Principal’s orders’ who said this?

1. A.the senior prefect
2. B.principal
3. C.headboy
4. D.non-teaching staff✓ Correct

One of the following is not a radiation detector

1. A.Electrophorus
2. B.Scintillation chamber✓ Correct
3. C.Geiger muller counter
4. D.Film badge

Find the sum to infinity of the series $\frac{1}{4}$, $\frac{1}{8}$, $\frac{1}{16}$,..........

1. A.$\frac{1}{2}$✓ Correct
2. B.$\frac{3}{5}$
3. C.$\frac{-1}{5}$
4. D.$\frac{73}{12}$

Choose the word that is opposite in meaning to the underlined word. Mrs. Akunilo looks anaemic today?

1. A.strange
2. B.sick
3. C.weak
4. D.strong✓ Correct

Implementations of the target programmes of the government is the primary duty of the _____ a part of the _____

1. A.A. Courts; Judiciary✓ Correct
2. B.B. Public Service; Civil Service
3. C.C. Civil Service; Public Service
4. D.D. Ministers; Ministry of Works

_______ is used to describe the situation where a character recognize his mistake

1. A.Tragic flaw
2. B.Hubris
3. C.Denouement✓ Correct
4. D.Anagnorisis