BCECE SERIES Physics
Glass Transition
2 previous year questions.
Volume: 2 Ques
Yield: Medium
High-Yield Trend
2
2017 Chapter Questions 2 MCQs
01
PYQ 2017
medium
physics ID: bcece-20
The critical angle for glass is 41°48' and that for water is 48°36'. Calculate the critical angle for glass-water interface.
1
62°43'
2
34°42'
3
52°42'
4
44°42'
02
PYQ 2017
medium
physics ID: bcece-20
A travelling microscope is focussed on an jnk dot. When a glass slab (n = 1.5) of thickness 9 cm is introduced on the dot, the travelling microscope has to be moved by
1
3 cm upwards
2
5 cm upwards
3
3 cm downwards
4
5 cm downwards