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BCECE 2015 Mathematics Question paper with answer key pdf conducted on May 17 in Afternoon Session 2:00 PM to 3:30 PM is available for download. The exam was successfully organized by Bihar Combined Entrance Competitive Examination Board. The question paper comprised a total of 100 questions.
BCECE 2015 Mathematics Question Paper with Answer Key PDFs Afternoon Session
| BCECE 2015 Mathematics Question Paper PDF | BCECE 2015 Mathematics Answer Key PDF |
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BCECE Questions
1. The velocity of light in a medium is √3\(\times\)108m/s. The polarizing angle of incidence is:
The velocity of light in a medium is √3\(\times\)108m/s. The polarizing angle of incidence is:
30°
60°
45°
tan-1 (3)
2. A 100-W bulb and 4 25-W bulbs are made for the same voltage. They have filaments of the same length and material. The ratio of the diameter of the 100-W bulb to that of the 25-W bulb is:
A 100-W bulb and 4 25-W bulbs are made for the same voltage. They have filaments of the same length and material. The ratio of the diameter of the 100-W bulb to that of the 25-W bulb is:
4:1
√2:1
2:1
1:√2
3. An air doubble is inside water (μ=\(\frac{4}{3}\)). At what distance from the air bubble should a point object be placed so as to form a real image at the same distance from the dubble? (r is the radius of curvature of the bubble)
An air doubble is inside water (μ=\(\frac{4}{3}\)). At what distance from the air bubble should a point object be placed so as to form a real image at the same distance from the dubble? (r is the radius of curvature of the bubble)
2R
4R
3R
The air bubble cannot form a real image
4. What is the r.m.s value of an alternating current which when passed through a resistor produces heat, which is four times that produced by a current of 2A in the same resistor?
What is the r.m.s value of an alternating current which when passed through a resistor produces heat, which is four times that produced by a current of 2A in the same resistor?
- 2A
- A
- 4A
- 8A
5. If the length of a filament of a heater is reduced by 10% , the power of the heater will:
If the length of a filament of a heater is reduced by 10% , the power of the heater will:
Increase by about 9%
Decrease by about 10%
Increase by 11%
Decrease by 19%
6. The resolving power of a telescope is directly proportional to:
The resolving power of a telescope is directly proportional to:
The frequency of light used
Square of the frequency of light used
The wavelength of light used
Square the wavelength of light used
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