AIPMT 2005 Prelims

170 Questions • 170 Minutes • 2005

Take This Paper Online

All Questions — Click to View Solution

If a vector 2î + 3ĵ + 8k̂ is perpendicular to the vector 4ĵ − 4î + αk̂, then the value of α is :

View Answer & Solution

Zener diode is used for :

View Answer & Solution

A stone tied to the end of a string of 1 m long is whirled in a horizontal circle with a constant speed. If the stone makes 22 revolutions in 44 s, what is the magnitude and direction of acceleration of the stone ?

View Answer & Solution

If the magnetic dipole moment of an atom of diamagnetic material, paramagnetic material and ferromagnetic material are denoted by μd, μp and μf respectively, then :

View Answer & Solution

In a circuit, L, C and R are connected in series with an alternating voltage source of frequency f. The current leads the voltage by 45°. The value of C is :

View Answer & Solution

The angular resolution of a 10 cm diameter telescope at a wavelength of 5000 Å is of the order of :

View Answer & Solution

Two vibrating tuning forks produce progressive waves given by y₁ = 4 sin 500πt and y₂ = 2 sin 506πt. Number of beats produced per minute is :

View Answer & Solution

When a wire of uniform cross-section a, length l and resistance R is bent into a complete circle, resistance between two of diametrically opposite points will be :

View Answer & Solution

Carbon, silicon and germanium atoms have four valence electrons each. Their valence and conduction bands are separated by energy band gaps represented by (Eg)C, (Eg)Si and (Eg)Ge respectively. Which one of the following relationships is true in their case ?

View Answer & Solution

If λv, λx and λm represent the wavelengths of visible light, X-rays and microwaves respectively, then :

View Answer & Solution

Two boys are standing at the ends A and B of a ground, where AB = a. The boy at B starts running in a direction perpendicular to AB with velocity v₁. The boy at A starts running simultaneously with velocity v and catches the other boy in a time t, where t is :

View Answer & Solution

A 5-A fuse wire can withstand a maximum power of 1 W in circuit. The resistance of the fuse wire is :

View Answer & Solution

Two bodies have their moments of inertia I and 2I respectively about their axis of rotation. If their kinetic energies of rotation are equal, their angular momenta will be in the ratio :

View Answer & Solution

An electron moves in a circular orbit with a uniform speed v. It produces a magnetic field B at the centre of the circle. The radius of the circle is proportional to :

View Answer & Solution

Choose the only false statement from the following :

View Answer & Solution

If the angle between the vectors A⃗ and B⃗ is θ, the value of the product (B⃗ × A⃗) · A⃗ is equal to :

View Answer & Solution

The moment of inertia of a uniform circular disc of radius R and mass M about an axis passing from the edge of the disc and normal to the disc is :

View Answer & Solution

Copper has face-centered cubic (fcc) lattice with interatomic spacing equal to 2.54 Å. The value of lattice constant for this lattice is :

View Answer & Solution

The total energy of an electron in the first excited state of hydrogen is about −3.4 eV. Its kinetic energy in this state is :

View Answer & Solution

A ball is thrown vertically upward. It has a speed of 10 m/s when it has reached one half of its maximum height. How high does the ball rise ? (Taking g = 10 m/s²)

View Answer & Solution

Previous
1
2
3
4
5
6
7
8
9
Next

Paper Info

Exam: AIPMT Prelims
Year: 2005
Questions: 170
Duration: 170 mins

Take Online All Papers