The wavelength of a stationary wave is 24.0cm. What is the distance between a node and the next antinodes?
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2002
What part of a camera functions in a similar way to the retina of the eye?
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2002
The ability of the eye to focus on objects at various distances is known as
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2002
In an operating X-ray tube, a high p.d is applied between the cathode and the anode for the purpose of
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2002
Which device does NOT make use of the magnetic effects of an electric current?
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2002
Which is a fundamental unit?
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2002
An object 8cm in front of a plane mirror moves at a speed of 6cm s-1 away from the mirror. What will be the distance separating the object and the image after 2s?
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2002
An electric heater takes 4A when operated on a 250V supply. What is the cost of the electricity consumed at 10k per kWh when the heater is used for 5 hours?
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2002
Which statement is NOT correct about Rutherford’s model of the atom?
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2002
A brass cube of side 10cm is heated through 30°C. If the linear expansivity of brass is 2.0 × I0-5 K-1 , what is the increase in its volume?
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2002
A body of mass 4 kg is accelerated from rest by a steady force of 9N. What is its speed when it has travelled a distance of 8m?
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2002
What is the escape velocity of a satellite launched from the earth’s surface? (Take g as 10ms-2 and the radius of the earth as 6.4 × 106m)
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2002
In the normal use of a simple microscope, a person sees an
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2002
In which simple machine is the effort applied between the load and the fulcrum?
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2002
A body executing a simple harmonic motion has an angular velocity of 22 radians per second. If it has a maximum
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2002
In which of the following are the substances arranged in descending order of their thermal conductivities?
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2002
If the size of the hole of a pinhole camera is increased, the image formed becomes
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2002
If the temperature of a resistance wire is gradually increased, its resistance will
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2002
A body of weight 20N displaces 12N of the liquid in which it is immersed. What is the upthrust of the liquid on the body?
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2002
An object is projected with a velocity of 50ms-1 from ground level at an angle θ to the vertical. If the total time of flight of the projectile is 5s, what is the value of θ? (g = 10ms-2)