$CATEGORY: Science - Khan Academy/9.Light-Reflection and Refraction/9.Light-Reflection and Refraction--Spherical Mirrors

//Multiple Choice

Which of the following is an application of convex mirrors? {
    ~Shaving mirrors
    =Rearview mirrors in vehicles
    ~Dental mirrors
    ~None of the above
}

What type of image is formed by a convex mirror? {
    ~Real and inverted
    =Virtual and erect
    ~Real and erect
    ~None of the above
}

Why are convex mirrors preferred as rear view mirrors in vehicles? {
    ~They form a magnified image
    =They provide a wider field of view
    ~They form real images
    ~None of the above
}

Where is the image formed by a convex mirror located? {
    ~At the focus
    =Between the pole and focus
    ~At the center of curvature
    ~None of the above
}

Convex mirrors are commonly used in which of the following places? {
    ~Projectors
    ~Street light reflectors
    =Security mirrors in stores
    ~None of the above
}

Why are convex mirrors used in parking lots and driveways? {
    ~To form a real image of the surroundings
    ~To magnify the view of the area
    =To provide a wider field of view for better visibility
    ~None of the above
}

In which of the following situations is a convex mirror most suitable? {
    ~For focusing sunlight
    ~For enlarging the image of an object
    =For viewing a wider area in a security setup
    ~None of the above
}

//True or False

Convex mirrors are used in the rearview mirrors of vehicles because they provide a wider field of view. {T}

The image formed by a convex mirror is always real and inverted. {F}

Convex mirrors form images that are larger than the actual object. {F}

Convex mirrors are suitable for security and surveillance purposes. {T}

The image formed by a convex mirror is always formed behind the mirror. {T}

Convex mirrors are also used in reflecting telescopes to magnify distant objects. {F}

Convex mirrors are ideal for use at blind curves and intersections because they provide a wide-angle view. {T}

Convex mirrors can form real images if the object is far away. {F}

Convex mirrors are also known as converging mirrors. {F}


//******** END **********