Question
Which type of mirror is used by dentists to see large
images of patients' teeth?Solution
Dentists use concave mirrors to see teeth and other areas in the mouth. This is because a concave mirror forms a virtual, erect and enlarged image when the object is placed within focus.
More Previous Year Paper Questions
9999² + 1111² =?
- What will come in the place of question mark (?) in the given expression?
32% of 74% of ? = 16% of 37% of 180 - Evaluate: 195 ÷ 13 × 8 + 220 – 30% of 500
What will come in the place of question mark (?) in the given expression?
(308 – 154) ÷ 11 = ? ÷ 15
7292/3 = ?
(22 × 52 ) + 4 × 6 = ? - √324
(5832)1/3  × 10.11 × 11.97 ÷ 16.32 = ? + 45.022
20 * 8 + 40% of 100 + 60% of 150 = ?
?% of 24% of 1200 + 12 × 11 = 204Â
1500 × 60% of 25% = ? 2Â
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