Physics Test 40

Result

Physics Test 40

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
4 / -1

In an electromagnetic wave, at any instant the electric field was found to oscillate with an amplitude of 18v/m. The magnitude of oscillating magnetic field will be -

A
4 × 10^–6 T

B
6 × 10^–8 T

C
9 × 10^–9 T

D
11 × 10^–11 T
Question 2
4 / -1

Flux ϕ (in weber) in a closed circuit of resistance 10 ohm varies with time t (in sec) according to the equation :-

ϕ = 6t² – 5t + 1

What is the magnitude of the induced current at t = 0.25 sec ?

A
1.2A

B
0.8A

C
0.6A

D
0.2A
Question 3
4 / -1

A person can not see the objects beyond 50 cm. The power of a lens to correct this vision will be

A
+2D

B
–2D

C
+5D

D
0.5D
Question 4
4 / -1

Two tree are at distance of 3.14 m from each other. What should the maximum distance of an observer from tree to see them separately

A
21.6 km

B
10.8 km

C
15 km

D
25.2 km
Question 5
4 / -1

A double slit experiment is shown in the figure. Each slit has width W. A thin piece of glass of thickness δ refractive index µ, is placed between one of the slits and the screen. The intensity at the central point is measured as a function of thickness δ. For what values of δ is the intensity at C is minimum.

A
λ / 2µ

B
λ / 2(µ-1)

C
zero

D
λ
Question 6
4 / -1

The energy of a photon of light of wavelength 450 nm is :

A
4.4 × 10^–19 J

B
2.5 × 10^–19 J

C
1.25 × 10^–17 J

D
2.5 × 10^–17 J

User

Question Analysis

Correct -
Wrong -
Skipped -

My Perfomance

Score
-
out of -
Rank
-
out of -

Re-Attempt Weekly Quiz Competition

Physics Test 40

Result

Physics Test 40

Score

-

Rank

-

SHARING IS CARING

Question 1

4 × 10–6 T

6 × 10–8 T

9 × 10–9 T

11 × 10–11 T

Question 2

1.2A

0.8A

0.6A

0.2A

Question 3

+2D

–2D

+5D

0.5D

Question 4

21.6 km

10.8 km

15 km

25.2 km

Question 5

λ / 2µ

λ / 2(µ-1)

zero

λ

Question 6

4.4 × 10–19 J

2.5 × 10–19 J

1.25 × 10–17 J

2.5 × 10–17 J

User

Question Analysis

My Perfomance

Score

-

Rank

-

Results Announcement on: coming Monday

Stay Tuned: We’ll update you on your result via email or SMS.

4 × 10^–6 T

6 × 10^–8 T

9 × 10^–9 T

11 × 10^–11 T

4.4 × 10^–19 J

2.5 × 10^–19 J

1.25 × 10^–17 J

2.5 × 10^–17 J