Isaac Physics Board 48


1.  
   1.  
      1. At 2F on the right of the lens
      2. The same as the image
      3. Inverted
      4. Real
   2.  
      1. Beyond 2F on the right of the lens
      2. Enlarged
      3. Inverted
      4. Real
   3.  
      1. Between F and 2F on the right of the lens
      2. Diminished
      3. Inverted
      4. Real
   4.  
      1. More than F to the left of the lens
      2. Enlarged
      3. Upright
      4. Virtual
2.  
   1. 0.625 D
   2. 2D
   3. 20D
3.  
   1. 0.4 m
   2. 0.67m
   3. 0.05m
4.  
   1. 5cm
   2. 40cm
   3. 10cm
   4. 7.1cm
   5. 50cm
   6. 20cm
5.  
   1. 2.5D
   2. 5D
6.  
   1. f=10cm
7.  
   1. 0.5
   2. 0.25
   3. 2
   4. 0.05
   5. 0.02
   6. 0.14
8.  
   1. 0.58
   2. 0.25
   3. 4
   4. 3
   5. 4
   6. 3.3
9.  
   1. 6.7cm
   2. 10cm
   3. 7.5cm
   4. 17.5cm
   5. -1.25cm
   6. -20cm
10.  
   1.  
      1. 20cm
      2. 1
      3. Real
   2.  
      1. -16.7cm
      2. 1.67
      3. Virtual
   3.  
      1. 150cm
      2. 2
      3. Real
   4.  
      1. -5 cm
      2. 1.25
      3. Virtual