1
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
The de-Broglie wavelength of a neutron in thermal equilibrium with heavy water at a temperature T (kelvin) and mass m, is
A
$${h \over {\sqrt {3mkT} }}$$
B
$${{2h} \over {\sqrt 3 mkT}}$$
C
$${{2h} \over {\sqrt {mkT} }}$$
D
$${h \over {\sqrt {mkT} }}$$
2
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
The given electrical network is equivalent to

NEET 2017 Physics - Semiconductor Electronics Question 116 English
A
OR gate
B
NOR gate
C
NOT gate
D
AND gate
3
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following represents forward bias diode ?
A
NEET 2017 Physics - Semiconductor Electronics Question 115 English Option 1
B
NEET 2017 Physics - Semiconductor Electronics Question 115 English Option 2
C
NEET 2017 Physics - Semiconductor Electronics Question 115 English Option 3
D
NEET 2017 Physics - Semiconductor Electronics Question 115 English Option 4
4
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
Two rods A and B of different materials are welded together as shown in figure. Their thermal conductivities are K1 and K2. The thermal conductivity of the composite will be

NEET 2017 Physics - Properties of Matter Question 83 English
A
$${{3\left( {{K_1} + {K_2}} \right)} \over 2}$$
B
$${K_1} + {K_2}$$
C
$$2\left( {{K_1} + {K_2}} \right)$$
D
$${{{K_1} + {K_2}} \over 2}$$