A transverse wave can be distinguished from a longitudinal wave by
diffraction
reflection
refraction
polarization
Correct answer is D
No explanation has been provided for this answer.
The quality of a note depends on its
frequency
pitch
overtones
amplitude
Correct answer is C
No explanation has been provided for this answer.
0.23hp
0.40hp
4.00hp
4.40hp
Correct answer is C
P = FV = \(\frac{100 \times 30}{1000} = 3 kW\)
\(\frac{3}{0.75} = 4hp\)
6.25 x 10K-1
6.25 x 10-3K-1
2.50 x 10-3K-1
2.50 x 10-4K-1
Correct answer is B
Apparent cubic expansivity = \(\frac{\text{mass of hot liquid expelled}}{\text{mass of hot liquid left x temp. rise}}\)
= \(\frac{2}{8 \times 40} = 0.00625\)
7:2
3:2
2:5
1:2
Correct answer is B
Q = MC\(\theta\)
M = \(\frac{Q}{C\theta}\)
\(\frac{Q}{20C}\) : \(\frac{Q}{30C}\)
= 3:2