1
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

In biprism experiment, $$6^{\text {th }}$$ bright band with wavelength '$$\lambda_1$$' coincides with $$7^{\text {th }}$$ dark band with wavelength '$$\lambda_2$$' then the ratio $$\lambda_1: \lambda_2$$ is (other setting remains the same)

A
$$7: 6$$
B
$$13: 12$$
C
$$12: 13$$
D
$$6: 7$$
2
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

The time period of a satellite of earth is 5 hours. If the separation between the earth and the satellite will satellite is increased to four times the previous value, the new time period of the satellite will be

A
20 hours
B
40 hours
C
80 hours
D
10 hours
3
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

In the given circuit, the current in 8$$\Omega$$ resistance is 1.5 A. The total current (I) flowing in the circuit is

MHT CET 2021 23rd September Evening Shift Physics - Current Electricity Question 81 English

A
5 A
B
4.5 A
C
3 A
D
5.5 A
4
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

'Circle of least confusion' refers to which one of the following defects occurring in images formed by mirrors or lenses?

A
Distortion
B
Coma
C
Astigmatism
D
Spherical aberration
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