Content Curator | Updated On - May 28, 2024
BCECE 2017 Biology Question paper (Set B) is available for download here. BCECE exam was successfully organized by Bihar Combined Entrance Competitive Examination Board on June 18, 2017. The question paper comprised a total of 50 questions.
BCECE 2017 Biology Question Paper with Answer Key PDF (Set B)
| BCECE 2017 Biology Question Paper PDF | BCECE 2017 Biology Answer Key PDF |
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BCECE Questions
1. 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%
2. 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
3. A ray of light is incident normally on one face of an equilateral prism (μ=\(\frac{3}{2}\)). The angle of deviation is:
A ray of light is incident normally on one face of an equilateral prism (μ=\(\frac{3}{2}\)). The angle of deviation is:
30°
60°
45°
75°
4. 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
5. 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
6. Instantaneous displacement current of 1.0A in the space between the parallel plates of 1μF capacitor can be established by changing the potential difference of:
Instantaneous displacement current of 1.0A in the space between the parallel plates of 1μF capacitor can be established by changing the potential difference of:
10-6 V/S
10-8 V/S
10-6 V/S
10-8 V/S
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