# Parallelism, Equidistance and Coincidence Online Exam Quiz

Parallelism, Equidistance and Coincidence GK Quiz. Question and Answers related to Parallelism, Equidistance and Coincidence. MCQ (Multiple Choice Questions with answers about Parallelism, Equidistance and Coincidence

Options

A : 1

B : 2

C : 3

D : 4

### How many spectrums can be achieved by grating and a prism respectively?

Options

A : 1 and 1

B : More than 1 and 1

C : 1 and More than 1

D : More than 1 and More than 1

### Light utilization efficiency of prism and grating respectively is ___

Options

A : High and High

B : High and Low

C : Low and High

D : Low and Low

### Test for parallelism of 2 planes is carried out in two different directions. What is correct for these directions?

Options

A : Parallel to each other

B : Perpendicular to each other

C : At 45 degree to each other

D : At 60 degree to each other

### The relationship between the angle of diffraction of violet, ?v, and the angle of diffraction for red, ?r, for a grating, is __

Options

A : ?v > ?r

B : ?v < ?r

C : ?v = ?r

D : No relationship

Options

A : TRUE

B : FALSE

C : -

D : -

Options

A : TRUE

B : FALSE

C : -

D : -

### Which of the following is not true for mandrel?

Options

A : It represent the axis of rotation of spindle

B : Mandrel is always centred

C : Axis of rotation of mandrel may be hyperboloid

D : Axis of rotation of mandrel may be conical

### Which of the following is true for measurement of equidistance?

Options

A : Related to distance between two axes

B : Related to distance between two planes

C : Related to distance between reference plane and the axes

D : There is no relation with axes and planes

Options

A : T, F

B : F, F

C : F, T

D : T, T

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