Difficult
The images show the ray diagrams of images formed by convex mirrors.
$P$ is the pole of the mirror.
$C$ is the centre of curvature of the mirror.
$F$ is the focus of the mirror.
$AB$ is the object and $A'B'$ is the image.
$5$. Which statement is supported by the two diagrams? Indicate 'Yes' or 'No' for each statement.
Is the statement supported by the two diagrams? Yes/No Convex mirrors produce virtual images Yes/No Convex mirrors produce erect images Yes/No Convex mirrors have their focus behind the mirrors Yes/No
$6$. Which of these is a convex mirror?
$A$. Shaving mirror
$B$. Dentist's mirror
$C$. Headlight mirror of a bike
$D$. Rear-view mirror of a car
$7$. A mirror magnifies the image of an object by $-1.5$ times. Which of the following is true about the image produced by the mirror?
$A$. The image is real and larger than the object.
$B$. The image is real and smaller than the object.
$C$. The image is virtual and larger than the object.
$D$. The image is virtual and smaller than the object.
$P$ is the pole of the mirror.
$C$ is the centre of curvature of the mirror.
$F$ is the focus of the mirror.
$AB$ is the object and $A'B'$ is the image.
$5$. Which statement is supported by the two diagrams? Indicate 'Yes' or 'No' for each statement.
| Is the statement supported by the two diagrams? | Yes/No |
| Convex mirrors produce virtual images | Yes/No |
| Convex mirrors produce erect images | Yes/No |
| Convex mirrors have their focus behind the mirrors | Yes/No |
$6$. Which of these is a convex mirror?
$A$. Shaving mirror
$B$. Dentist's mirror
$C$. Headlight mirror of a bike
$D$. Rear-view mirror of a car
$7$. A mirror magnifies the image of an object by $-1.5$ times. Which of the following is true about the image produced by the mirror?
$A$. The image is real and larger than the object.
$B$. The image is real and smaller than the object.
$C$. The image is virtual and larger than the object.
$D$. The image is virtual and smaller than the object.
(N/A) $5$. All statements are supported by the diagrams: Virtual (Yes), Erect (Yes), Focus behind mirror (Yes).
$6$. $D$. Rear-view mirror of a car is a convex mirror.
$7$. Magnification $m = -1.5$. Since $m$ is negative, the image is real and inverted. Since $|m| = 1.5 > 1$, the image is larger than the object. Thus, the image is real and larger than the object. Correct option is $A$.
$6$. $D$. Rear-view mirror of a car is a convex mirror.
$7$. Magnification $m = -1.5$. Since $m$ is negative, the image is real and inverted. Since $|m| = 1.5 > 1$, the image is larger than the object. Thus, the image is real and larger than the object. Correct option is $A$.
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Similar Questions
Two statements are given $-$ one labelled Assertion $(A)$ and the other labelled Reason $(R).$ Select the correct answer to these questions from the codes $(a), (b), (c)$ and $(d)$ as given below:
Assertion $(A)$: We can decide the nature of a mirror by observing the size of the erect image formed in the mirror.
Reason $(R)$: The minimum distance between a real object and its real image in a concave mirror is zero.
Assertion $(A)$: We can decide the nature of a mirror by observing the size of the erect image formed in the mirror.
Reason $(R)$: The minimum distance between a real object and its real image in a concave mirror is zero.
Medium
View SolutionWrite down the equation connecting the object distance,image distance,and focal length of lenses and mirrors.
Easy
View Solution$(a)$ Define absolute refractive index.
$(b)$ The path of a light ray from three different media $A, B$ and $C$ for a given angle of incidence is shown below. Study the diagrams and answer the following questions.
$(i)$ Which of the three media $A, B$ or $C$ has maximum optical density?
$(ii)$ Through which of the three media,will the speed of light be maximum?
$(iii)$ Will the light travelling from $A$ to $B$ bend towards or away from the normal?
$(iv)$ Will the refractive index of $B$ relative to $C$ be more than unity or less than unity?
$(b)$ The path of a light ray from three different media $A, B$ and $C$ for a given angle of incidence is shown below. Study the diagrams and answer the following questions.
$(i)$ Which of the three media $A, B$ or $C$ has maximum optical density?
$(ii)$ Through which of the three media,will the speed of light be maximum?
$(iii)$ Will the light travelling from $A$ to $B$ bend towards or away from the normal?
$(iv)$ Will the refractive index of $B$ relative to $C$ be more than unity or less than unity?
Medium
View Solution$(a)$ Why does a ray of light passing through the centre of curvature of a concave mirror after reflection get reflected back along the same path?
$(b)$ Why are convex mirrors commonly used as rear-view mirrors in vehicles?
$(c)$ $A$ pencil partly immersed in water in a glass tumbler appears to be displaced at the interface of air and water. Name the phenomenon of light responsible for it.
$(b)$ Why are convex mirrors commonly used as rear-view mirrors in vehicles?
$(c)$ $A$ pencil partly immersed in water in a glass tumbler appears to be displaced at the interface of air and water. Name the phenomenon of light responsible for it.
Medium
View SolutionWhich of the following statements is true for light waves?
Easy
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