A photostat machine works on _____________?
A. electromagnetic image making
B. magnetic image making
C. thermal image making
D. electrostatic image making
A. electromagnetic image making
B. magnetic image making
C. thermal image making
D. electrostatic image making
A. it has squint eyes
B. it has light bulbs in its eyes provided by nature
C. it produces infrasonic sounds
D. it has large eyes with orbs directed forward, giving it binocular sight
A. Amplitude modulated
B. Frequency modulated
C. fixe modulated
D. Velocity modulated
A. We face sun and raindrops
B. The Sun remains behind us and we face raindrops
C. In light rainfall, we face Sun
D. The sky remains clear and the sun is at lower position in the sky
A. they fall with that ultimate velocity, which are different for different droplets
B. they fall with same ultimate velocity
C. their velocity increases and they fall with different velocity on the earth
D. their velocity increases and they fall with same velocity on the earth
A. It will remain under the water, when it will displace more water than its weight
B. the density of needle is less than that of water
C. due to surface tension
D. due to its shape
A. Alpha rays
B. Beta rays
C. Gamma rays
D. None of these
A. Mars
B. Jupiter
C. Mercury
D. Neptune
A. 8.314 J/mole K
B. 6.5 J/mole K
C. 1.314 J/mole K
D. 10.314 J/mole K
A. reflection of light
B. refraction of light
C. Refraction and total internal reflection of light
D. Scattering of light