PHYSICS | Study Mode

Join Discuss Share to WhatsApp
Question 41
A
At the evaporation point
B
Less than the atmospheric pressure
C
Greater than the atmospheric pressure
D
Equal to the atmospheric pressure
Explanation

Explanation not provided, please join discuss, your contributions are welcomed


Correct option: D
Join Discuss Share to WhatsApp
Question 42
A

10cm

B

20cm

C

25cm

D

15cm

Explanation

M = \(\frac{v}{u}\) = 3 = \(\frac{v}{30}\). V = 30m

\(\frac{1}{u}\) + \(\frac{1}{v}\) = \(\frac{1}{f}\) = \(\frac{1}{10}\) - \(\frac{1}{30}\) = \(\frac{1}{f}\)

\(\frac{3 - 1}{30}\) = \(\frac{1}{f}\)

f = \(\frac{30}{2}\) = 15cm


Correct option: D
Join Discuss Share to WhatsApp
Question 43
A
1.41eV
B
1.71eV
C
1.61eV
D
1.51eV
Explanation
E = \(\frac{E_o}{n^2}\) = \(\frac{13.6}{3^2}\) = \(\frac{13.6eV}{9}\)

= 1.51eV

Correct option: D
Join Discuss Share to WhatsApp
Question 44
PHYSICS Q 44 image
A

C

B

D

C

B

D

A

Explanation

Explanation not provided, please join discuss, your contributions are welcomed


Correct option: C
Join Discuss Share to WhatsApp
Question 45
PHYSICS Q 45 image
A

R

B

X

C

S

D

P

Explanation

Explanation not provided, please join discuss, your contributions are welcomed


Correct option: B
Join Discuss Share to WhatsApp
Question 46
PHYSICS Q 46 image
A

4.78mm

B

4.16mm

C

4.66mm

D

4.70mm

Explanation

Explanation not provided, please join discuss, your contributions are welcomed


Correct option: B
Join Discuss Share to WhatsApp
Question 47
PHYSICS Q 47 image
A

MP

B

SN

C

NS

D

PM

Explanation

Explanation not provided, please join discuss, your contributions are welcomed


Correct option: C
Join Discuss Share to WhatsApp
Question 48
A
Atom of different elements have different atomic weights
B
The mass of an atom is concentrated in the nucleus
C
An atom is made up of a nucleus and number of electrons
D
Atoms of all elements are identical
Explanation

Explanation not provided, please join discuss, your contributions are welcomed


Correct option: D
Join Discuss Share to WhatsApp
Question 49
A
6Hz
B
264Hz
C
528Hz
D
12Hz
Explanation
Beat = f2 - f1 = 270 - 258 = 12Hz

Correct option: D
Join Discuss Share to WhatsApp
Question 50
A
0.60H
B
2.50H
C
1.25H
D
0.04H
Explanation

Explanation not provided, please join discuss, your contributions are welcomed


Correct option: D

Try this quiz in in E-test/CBT Mode
switch to PHYSICS in CBT Mode

Previous Page Next Page
Question Map
Quiz link
Share PHYSICS with your audience
Share to WhatsApp CBT mode Study mode copy link
Help keep QUIZZERWEB running!
A donation makes a contribution towards the costs, the time and effort that's going on in building and improving this platform.
Donate
sponsored
Are you a writer, proof-reader, interpreter, teacher, student or just someone who works in Yorb Language?
Translate those figures and numbers to words in standard Yoruba Language at YorubaNumeral.com.ngat no cost.
It also aids learning the yoruba numbering system by providing detailed explanation for each number translated up to 25 billion.
English to Yorb Numeral Translator