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
Find the position of the image formed by a concave mirror when the object is placed between P and F?
A At infinity
B Between F and C
C Behind the mirror
D Beyond C
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
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
Which of the following function creates a CSS gradient image that can be used anywhere an image URL is required, including background-image, border-image, and list-style properties?
A canvas
B gradient
C animation
D color
Which of the following applies to a class rather than an object?
A Query
B Update
C Scope
D Constructor
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
অবজেন লক করার জন্য-i. নির্দিষ্ট Object টি Select করতে হবে ii. Object মেনু থেকে Lock কমান্ড দিতে হবেiii. Object মেনু থেকে Ungroup কমান্ড দিতে হবে।নিচের কোনটি সঠিক ? 
A i ও ii
B i ও iii
C ii ও iii
D i, ii ও iii

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