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October: Physics

Welcome to the October 2021 PositiveNaija Science Quiz!

Date: 31st October, 2021 | Time: 9:00 pm - 9:05 pm

The 15 Questions will be updated on this same post at the stated date and time with replies (answers) by participants to follow accordingly.

Thank you.

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  1. Light-year is a unit of:
    1. Time
    2. Distance
    3. Light
    4. None of the above

 

  1. What is the scale used for measuring the intensity of the earthquake?
    1. Epicenter Scale
    2. Quake Scale
    3. Ritcher Scale
    4. None of the above

 

  1. What type of lens is used in a magnifying glass?
    1. Concave
    2. Plano-concave
    3. Convex
    4. None of the above

 

  1. The electric filament of bulbs is made up of:
    1. Copper
    2. Iron
    3. Aluminum
    4. Tungsten

 

  1. Which instrument is used to measure depth of water?
    1. Fluxmeter
    2. Fathometer
    3. Hygrometer
    4. None of the above

 

  1. Which one of the following is used for sun glasses?
    1. Crooks glass
    2. Pyrex glass
    3. Crystal glass
    4. None of the above

 

  1. Spectacles used for viewing 3D films have:
    1. Polaroids
    2. Concave lens
    3. Convex lens
    4. Bifocal lens

 

  1. A pond water appears less deep due to:
    1. Polarisation
    2. Refraction
    3. Diffraction
    4. None of the above

 

  1. What are audible sound waves (for humans)?
    1. Having frequency less than 20 Hz
    2. Having frequency between 20 Hz to 20000 Hz
    3. Having frequency more than 20000 Hz
    4. None of the above

 

  1. Oil, water and gas can be present in a well in the ascending order of:
    1. Water, oil, gas
    2. Gas, water, oil
    3. Water, gas, oil
    4. None of the above

 

  1. In a freezer, ice cubes will be formed more quickly in trays made of:
    1. Rubber
    2. Plastic
    3. Aluminum
    4. Wood

 

  1. What is the normal temperature of human being on Kelvin scale?
    1. 290
    2. 300
    3. 320
    4. None of the above

 

  1. Arrange the following electromagnetic waves according to their decreasing energy and select the correct answer:
    1. IR, UV-rays, X-rays, y-rays
    2. y-rays, X-rays, UV-rays, IR
    3. y-rays, UV-rays, X-rays, IR
    4. IR, y-rays, UV-rays, X-rays

 

  1. Light Emitting Diode (LED) converts:
    1. Light energy into electrical energy
    2. Electrical energy into light energy
    3. Thermal energy into light energy
    4. Mechanical energy into electrical energy

 

  1. Which of the following is a renowned Nigerian Physicist?
    1. Lazarus Ekueme
    2. Joseph Irukwu
    3. Sikiru Sanni
    4. Muyiwa Awe
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1. A

2. C

3. C

4. D

5. B

6. B

7. D

8. B

9. B

10. B

11. B

12. A

13. B

14. C

15. A

Jeremiah

1.a

2.c

3.c

4.d

5.c

6.b

7.d

8.b

9.b

10.b

11.b

12.c

13.b

14.b

15.b

1 c

2 c

3 c

4 d

5 c

6 b

7 a

8 b

9 b

10 a

11 c

12 a

13 b

14 b

15 c

1.b
2.c
3.c
4.d
5.b
6.b
7.a
8.b
9.b
10.a
11.a
12.c
13.b
14.b
15.a

1. B
2. C
3. C
4. D
5. A
6. A
7. B
8. B
9. B
10. A
11. C
12. D
13. B
14. B
15. D
Ayodeji Olowolagba

1. B

2. D

3 C

4A

5B

6B

7A

8B

9A

10C

11B

12B

13B

14B

15 A

1. B
2. C
3. C
4. D
5. A
6. A
7. B
8. B
9. B
10. A
11. C
12. D
13. B
14. B
15. D
Ayodeji Olowolagba

 

1)A

2)C

3)B

4)D

5)D

6)A

7)A

8) B

9)B

10)B

11)B

12)B

13)B

14)B

15)C

 

 

 

 

1 A

2B

3 C

4 D

5 C

6 c

7 d

8 B

9 b

10 b

11 c

12 c

13 a

14 B

15 A

Please consider we that are yet to win, not even once

Jeremiah

1 A

2 A

3 A

4D

5 C

6B

7 D

8 B

9 B

10 A

11 C

12 A

13 D

14 B

15 A

 

The winners for this edition are as follows:

  1. 1st - Ayodeji Olowolagba (dejt4u): 13/15
  2. 2nd - Israel Orere: 11/15
  3. 3rd - Favour Obianuju Agwuna: 10/15

Congratulations and thanks to everyone.

Answers to the quiz questions can be accessed here: https://www.positivenaija.com/2021-positivenaija-science-quiz/

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Quote from Adegboyega Jeremiah on October 31, 2021, 9:19:19 PM

Please consider we that are yet to win, not even once

I can imagine how this might be for you but for today's 2nd and 3rd winners, this is their first time of winning also.

It is a competition and we are always looking out for the best (irrespective of the number of times a person wins).

Keep trying and improving.

Advertise your skills, business, product, service, training, etc. on our WhatsApp, Facebook & Instagram pages (all 3) for just ₦1,000. 09064503292

Prize received. Thank you so much