1
JEE Main 2020 (Online) 6th September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Identify the correct output signal Y in the given combination of gates (as shown) for the given inputs A and B. JEE Main 2020 (Online) 6th September Morning Slot Physics - Semiconductor Question 110 English
A
JEE Main 2020 (Online) 6th September Morning Slot Physics - Semiconductor Question 110 English Option 1
B
JEE Main 2020 (Online) 6th September Morning Slot Physics - Semiconductor Question 110 English Option 2
C
JEE Main 2020 (Online) 6th September Morning Slot Physics - Semiconductor Question 110 English Option 3
D
JEE Main 2020 (Online) 6th September Morning Slot Physics - Semiconductor Question 110 English Option 4
2
JEE Main 2020 (Online) 6th September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
A clock has a continuously moving second's hand of 0.1 m length. The average acceleration of the tip of the hand (in units of ms–2) is of the order of :
A
10-3
B
10-1
C
10-2
D
10-4
3
JEE Main 2020 (Online) 6th September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
In the figure below, P and Q are two equally intense coherent sources emitting radiation of wavelength 20 m. The separation between P and Q is 5 m and the phase of P is ahead of that of Q by 90o. A, B and C are three distinct points of observation, each equidistant from the midpoint of PQ. The intensities of radiation at A, B, C will be in the ratio :

JEE Main 2020 (Online) 6th September Morning Slot Physics - Wave Optics Question 67 English
A
4 : 1 : 0
B
2 : 1 : 0
C
0 : 1 : 2
D
0 : 1 : 4
4
JEE Main 2020 (Online) 6th September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
An insect is at the bottom of a hemispherical ditch of radius 1 m. It crawls up the ditch but starts slipping after it is at height h from the bottom. If the coefficient of friction between the ground and the insect is 0.75, then h is :
(g = 10 ms–2)
A
0.45 m
B
0.60 m
C
0.20 m
D
0.80 m
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