Related Questions

In case of a concave mirror, if an object is kept between principal focus F and pole P of the mirror, then which one of the following statements about the image is not correct?
A The image will be virtual
B The image will be enlarged or magnified
C The image will be formed at infinity
D The image will be erect
In a concave mirror when the object is placed at infinity which of the following applies to the image?
A Real, inverted, highly enlarged image at center of curvature (C)
B Real, inverted image of the same size at centre of curvature (C)
C Real, inverted, diminished image between centre of curvature (C) and principal focus (F)
D Real, inverted, highly diminished image at focus
সরল দোল গতিসম্পন্ন একটি বস্তু যখন তার সাম্যাবস্থান থেকে 2 cm দূরে, তখন তার গতিশক্তি স্থিতিশক্তির ও গুণ। বস্তুটির দোলনের বিস্তার কত হবে? (An object oscillating in simple harmonic motion has its kinetic energy 3 times the potential energy when the object is 2 cm away from its equilibrium position. What is the amplitude of the oscillation for the object?)
A 3 cm
B 1 cm
C 2 cm
D 4 cm
Find the power of a convex lens if the image formed is at a distance of 25 cm from the lens when the object is placed on the other side of the lens at 12 cm from the optical centre?
A -4.33 diopters
B 12.33 diopters
C -12.33 diopters
D 4.33 diopters
A concave lens always forms an image which is
A Real and erect
B Virtual and erect
C Real and inverted
D Virtual and inverted
If objects appear enlarged and inverted in a rear view mirror, then which type of mirror is used?
A Concave
B Convex
C Cylindrical
D Plane
Starting from position X on the plain play ground of Khulna University, one particular student walks 10 years due north, then 6 years due east and then 2 years due south and by that reached at position Y. Now, detect how far apart, in yards, are position X and Y?
A 16
B 14
C 12
D 10
If a square mirror has a 20-inch diagonal, what is the approxirnate perimeter of the mirror, in inhes?
A 47
B 51
C 57
D 60
If a square mirror has a 20-inch diagonal, what is the approximate perimeter of the mirror, in inches?
A 40
B 60
C 80
D None of these
starting from position X on the plain play ground of khulna University, one particular student walks 10 yerds due south and by that reached at position Y . Now , detect how far apart, in yards are position X and Y?
A 16
B 14
C 12
D 10

Next steps