1
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
In the given circuit the reading of voltmeter V1 and V2 are 300 volts each. The reading of the voltmeter V3 and ammeter A are respectively

AIPMT 2010 Prelims Physics - Alternating Current Question 41 English
A
150V, 2.2A
B
220V, 2.2A
C
220V, 2.0A
D
100V, 2.0A
2
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Which of the following statement is false for the properties of electromagnetic waves ?
A
Both electric and magnetic field vectors attain the maxima and minima at the same place and same time.
B
The energy in electromagnetic wave is divided equally between electric and magnetic vectors.
C
Both electric and magnetic field vectors are parallel to each other and perpendicular to the direction of propagation of wave.
D
These waves do not require any material medium for propagation.
3
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
A ray of light travelling in a transparent medium of refractive index $$\mu $$, falls on a surface separating the medium from air at an angle of incidence of 45o. For which of the following value of $$\mu $$ the ray can undergo total internal reflection ?
A
$$\mu $$ = 1.33
B
$$\mu $$ = 1.40
C
$$\mu $$ = 1.50
D
$$\mu $$ = 1.25
4
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
A lens having focal length f and aperture of diameter d forms an image of intensity I. Aperture of diameter $${d \over 2}$$ in central region of lens is covered by a black paper. Focal length of lens and intensity of image now will be respectively
A
$$f\,$$ and $${I \over 4}$$
B
$${{3f} \over 4}$$ and $${I \over 2}$$
C
$$f$$ and $${{3I} \over 4}$$
D
$${f \over 2}$$ and $${I \over 2}$$
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