1
VITEEE 2021
MCQ (Single Correct Answer)
+1
-0

The distance of moon form the earth is $$3.8 \times 10^5 \mathrm{~km}$$. Supposing that the eye is most sensitive to the light of wavelength $$550 \mathrm{~nm}$$, the separation of two points on the moon that can be resolved by a $$500 \mathrm{~cm}$$ telescope is

A
50 m
B
55 m
C
51 m
D
60 m
2
VITEEE 2021
MCQ (Single Correct Answer)
+1
-0

Which of the following logic gates are also known as the Universal gates?

A
AND, OR, NOT gate
B
XOR, XNOR gate
C
NAND, NOR gate
D
All logic gates
3
VITEEE 2021
MCQ (Single Correct Answer)
+1
-0

Based on the band theory of conductors, insulators and semi-conductors, the forbidden gap is smallest in

A
conductors
B
insulators
C
semi-conductors
D
All of these
4
VITEEE 2021
MCQ (Single Correct Answer)
+1
-0

The demodulator or detector circuit consists of a

A
resistor
B
transistor
C
diode
D
capacitor
EXAM MAP